Member Societies

• All
• Dec. 1 (Thu)
• Dec. 2 (Fri)
• Dec. 3 (Sat)

• Plenary & Free Paper
• Luncheon Symposium
• KSG
• KSGE
• KASL
• KSNM
• KPBA
• KCHUGR
• KASID
• KSGC
• KSPGHAN
• Other

Plenary Session 01 : Plenary Session 01

Date / Time	Dec. 2 (Fri), 13:20-14:05
Room	Room 1
Chair(s)	Oh Young Lee (Hanyang University, Korea) Jae Gyu Kim (Chung-Ang University, Korea)
Speakers	13:20-13:35	Comparative metagenomic analysis reveals altered gut microbiota composition with increased abundance of methanogen-related bacteria, and decreased abundance of butyrate producing-bacteria in patients with chronic colonic pseudo-obstruction Kyuwon Kim (University of Ulsan, Korea)
	13:35-13:50	Comparative analysis for gut microbiota using next-generation sequencing in feces of patients who have undergone gastrectomy for gastric cancers Sun Gyo Lim (Ajou University, Korea)
	13:50-14:05	Continuing or Stopping 5-Aminosalicylate in Patients with Inflammatory Bowel Disease Under Anti-TNF Therapy: A Nationwide Population-based Study Jeongkuk Seo (University of Ulsan, Korea)

Plenary Session 02 : Plenary Session 02

Date / Time	Dec. 2 (Fri), 14:05-14:50
Room	Room 1
Chair(s)	Jin Lee (Hallym University, Korea) Si-Hyun Bae (The Catholic University of Korea, Korea)
Speakers	14:05-14:20	A patient-derived mouse model to predict the histologic inflammation and liver immune homeostasis of long-term stable liver transplant patients Soon Kyu Lee (The Catholic University of Korea, Korea)
	14:20-14:35	Integrated Clinico-Genomic Characterization of Korean Pancreatic Ductal Adenocarcinoma Kwangrok Jung (Seoul National University, Korea)
	14:35-14:50	Deep-learning based ultrasound sonographic image analysis model as ancillary diagnostic tool for gallbladder polyps Jin Ho Choi (Seoul National Univeristy, Korea)

Free Paper 01 : Liver 01

Date / Time	Dec. 1 (Thu), 09:00-09:40
Room	Room 4
Chair(s)	Yong Han Paik (Sungkyunkwan University, Korea) Dae Won Jun (Hanyang University, Korea)
Speakers	09:00-09:10	Fecal microbiota transplant improves hepatic fibro-inflammation via regulating oxidative stress in experimental NASH Hong Koh (Yonsei University, Korea)
	09:10-09:20	Identification and comparison of functional microbiomes represented as Faecalibacterium in long-term stable and tolerant patients after liver transplantation Soon Kyu Lee (The Catholic University of Korea, Korea)
	09:20-09:30	Intrahepatic IgA upregulates PD-L1 on cancer-associated fibroblasts in HCC Pu Reun Rho (The Catholic University of Korea, Korea)
	09:30-09:40	Constitutive Upregulation of NRF2 Stabilizes HIF-1: Implications for Development and Progression of Hepatocellular Carcinoma Jie Zheng (Seoul National University, Korea)

Free Paper 02 : Liver 02

Date / Time	Dec. 1 (Thu), 09:40-10:30
Room	Room 4
Chair(s)	So Young Kwon (Konkuk University, Korea) Il Han Song (Dankook University, Korea)
Speakers	09:40-09:50	Risk stratification for sarcopenic obesity in subjects with nonalcoholic fatty liver disease Ho Soo Chun (Ewha Womans University, Korea)
	09:50-10:00	Analysis of the several genetic variants associated with nonalcoholic fatty liver disease in Korean children; impact of HDS17B13 rs72613567 and PARVB rs6006611 Kyung Jae Lee (Seoul National University, Korea)
	10:00-10:10	L. plantarum ameliorates NASH-related inflammation via upregulating L-arginine production Dong Yun Kim (Yonsei University, Korea)
	10:10-10:20	Impact of Anthropometric Parameters on Clinical Outcomes in Asians with Metabolic Dysfunction-Associated Fatty Liver Disease Kyu Yeon Choi (Cha University, Korea)
	10:20-10:30	Disease-specific eQTL screening reveals an anti-fibrotic effect of AGXT2 in non-alcoholic fatty liver disease Won Kim (Seoul National University Boramae, Korea)

Free Paper 03 : Upper GI 01

Date / Time	Dec. 1 (Thu), 10:50-11:30
Room	Room 4
Chair(s)	Jae J. Kim (Sungkyunkwan University, Korea) Su Youn Nam (Kyungpook National University, Korea)
Speakers	10:50-11:00	Quantitative Multiplex Real-Time PCR Assay for the Detection of Helicobacter pylori and Clarithromycin Resistance Ilsoo Kim (The Catholic University of Korea, Korea)
	11:00-11:10	A Comparative Study on the Proton Pump Inhibitor(PPI) and potassium-competitive acid blocker(P-CAB) to the occurrence of Small Intestine Bacterial Overgrowth(SIBO) through the Positive rate of Hydrogen Breathing Test(HBT) Saenal Lim (The Catholic University of Korea, Korea)
	11:10-11:20	Decline in gut microbial diversity related to severity in gastric disorders through oxidative stress and inflammation Jonali Owary (Gauhati University, India)
	11:20-11:30	Efficacy of Rifaximin add-on Levofloxacin Regimen as Third-line Rescue Therapy of Helicobacter pylori Eradication Jongsik Jeon (The Catholic University of Korea, Korea)

Free Paper 04 : Upper GI 02

Date / Time	Dec. 1 (Thu), 11:30-12:20
Room	Room 4
Chair(s)	Byung-Wook Kim (The Catholic University of Korea, Korea) Su Jin Hong (Soon Chun Hyang University, Korea)
Speakers	11:30-11:40	A Randomized, Controlled Trial of Fibrin Glue to Prevent Bleeding after Gastric Endoscopic Submucosal Dissection Hyun Deok Lee (Seoul National University, Korea)
	11:40-11:50	Gastric Cancer Incidence and Mortality after Endoscopic Resection of Gastric Adenoma: A Nation-wide Cohort Study Jae Myung Park (The Catholic University of Korea, Korea)
	11:50-12:00	Duodenal mucosal resurfacing with photodynamic therapy using methylene blue: Safety and Efficacy Seokho Myeong (The Catholic University of Korea, Korea)
	12:00-12:10	Efficacy of steroid in the prevention of esophageal stricture after endoscopic submucosal dissection: A meta-analysis Jung In Lee (Chosun University, Korea)
	12:10-12:20	Symptomatic and morphological changes after per-oral endoscopic myotomy (POEM) in patients with sigmoid type of achalasia Tae Yeon Kim (CHA Univ., Korea)

Free Paper 05 : Functional GI disorders/Motility 01

Date / Time	Dec. 1 (Thu), 13:20-14:00
Room	Room 2
Chair(s)	Jung Ho Park (Kangbuk Samsung Hospital, Korea) Yu Kyung Cho (The Catholic University of Korea, Korea)
Speakers	13:20-13:30	Inactive Rhomboid Protein 2 mediates Gastrointestinal Motility through the Immune-Enteric Nervous system-Microbiome Interaction Seulji Kim (Seoul National University, Korea)
	13:30-13:40	Fecal Microbiota Transplantation relieves bloating in patients with irritable bowel syndrome by reducing hydrogen sulfide-producing bacteria: a randomized, double-blind, placebo-controlled study Qi Su (The Chinese University of Hong Kong, Hong Kong)
	13:40-13:50	The effect of probiotics on improving intestinal mucosal permeability in the POI model Min-Jae Kim (Yonsei University, Korea)
	13:50-14:00	Association Between Rectal Hyposensitivity and Gastrointestinal Symptom in 2540 Patients with Refractory Functional Constipation Jeongkuk Seo (University of Ulsan, Korea)

Free Paper 06 : Functional GI disorders/Motility 02

Date / Time	Dec. 1 (Thu), 14:00-14:50
Room	Room 2
Chair(s)	Kwang Jae Lee (Ajou University, Korea) Tae Hee Lee (Soon Chun Hyang University, Korea)
Speakers	14:00-14:10	Minimal Invasive Endoscopic Method for Gastric Slow Wave Detection: In Vivo Animal Study Seung Han Kim (Korea University, Korea)
	14:10-14:20	The comparative study of the Stretta and anti-reflex Endoscopic surgery (ARES) in intractable GERD Ji Eun Kwak (CHA Gangnam Medical Center, Korea)
	14:20-14:30	Endoscopic laser treatment of lower esophageal sphincter with balloon-equipped light diffuser in in vivo porcine model Boram Cha (Inha University, Korea)
	14:30-14:40	Regional and temporal differences in the changes of colonic contractility in spinal cord injured rats Moon Young Lee (Wonkwang University, Korea)

Free Paper 07 : Pancreatobiliary 01

Date / Time	Dec. 1 (Thu), 13:20-14:00
Room	Room 3
Chair(s)	Sang-Woo Cha (Soon Chun Hyang University, Korea) Seong-Hun Kim (Chonbuk National University, Korea)
Speakers	13:20-13:30	Clinical and Genetic Drivers of Severe Acute Pancreatitis: a Population-based Association Study with Genetic Analysis Wing Kiu Chou (Norwich Medical School/University of East Anglia, United Kingdom)
	13:30-13:40	Preliminary study on the safety and efficacy of SCM-AGH for the treatment of moderately severe to severe acute pancreatitis Il Sang Shin (Soon Chun Hyang University, Korea)
	13:40-13:50	Prediction of the histology of ampullary adenoma using deep learning algorithm Seong Ji Choi (Hanyang University, Korea)
	13:50-14:00	Association between Glycemic Status and the Risk of Acute Pancreatitis: A Nationwide Population-Based Study In Rae Cho (Seoul National University, Korea)

Free Paper 08 : Pancreatobiliary 02

Date / Time	Dec. 1 (Thu), 14:00-14:50
Room	Room 3
Chair(s)	Seung Woo Park (Yonsei University, Korea) Jong Jin Hyun (Korea University, Korea)
Speakers	14:00-14:10	Comprehensive genomic analysis for Homologous Recombination Deficiency in Pancreatic cancer Kwangrok Jung (Seoul National University, Korea)
	14:10-14:20	Evaluation of pancreatic cancer prognostic marker, LXN, utilizing multi-omics analysis based on patient-derived cancer models Chan Hee Park (Yonsei University, Korea)
	14:20-14:30	Prognosis prediction according to the expression level of immunochemistry staining using methionyl-tRNA synthetase 1 antibody in pancreatic cancer Min Young Do (Yonsei University, Korea)
	14:30-14:40	A Novel mRNA-based Immunological Biomarker for Early Diagnosis of Resectable Pancreatic Cancer Jong-chan Lee (Seoul National University, Korea)
	14:40-14:50	Novel liquid biopsy strategy for cholangiocarcinoma diagnosis based on plasmon-enhanced single extracellular vesicle analysis Jung Hyun Jo (Yonsei University, Korea)

Free Paper 09 : Liver 03

Date / Time	Dec. 1 (Thu), 13:20-14:00
Room	Room 4
Chair(s)	Jae-Young Jang (Soon Chun Hyang University, Korea) Hyung Joon Kim (Chung-Ang University, Korea)
Speakers	13:20-13:30	Validation of The Model for End-Stage Liver Disease 3.0 in Korean Patients on the Liver-Transplant Waiting List Jiwon Yang (University of Ulsan, Korea)
	13:30-13:40	The etiology of chronic liver disease is a valuable factor for stratifying adverse outcomes in acute decompensation. Jung Hee Kim (Hallym University, Korea)
	13:40-13:50	Comparison of mortality prediction between the Model for End-Stage Liver Disease-3.0 (MELD-3.0) and the Model for End-Stage Liver Disease-Sodium (MELD-Na) in Korean patients with liver cirrhosis Yong Joon Cho (Konkuk University, Korea)
	13:50-14:00	Effect of probiotics on nutritional status, biochemical parameters and liver disease severity in cirrhotic patients referred for liver transplantation- a Randomized controlled trial Gokulapriya Ramachandran (Jawaharlal Institute of Postgraduate Medical Education and Research, India)

Free Paper 10 : Liver 04

Date / Time	Dec. 1 (Thu), 14:00-14:50
Room	Room 4
Chair(s)	Chul Ju Han (Korea Cancer Center, Korea) Won Young Tak (Kyungpook National University, Korea)
Speakers	14:00-14:10	Factors associated with survival outcomes in patients with untreated hepatocellular carcinoma: A nationwide data from hepatitis B virus-endemic area Ji Hoon Kim (The Catholic University of Korea, Korea)
	14:10-14:20	Association of physical activity, including amount and maintenance, with risk of hepatocellular carcinoma among patients with diabetes Wonkyung Han (CHA Univ., Korea)
	14:20-14:30	Early extrahepatic recurrence as a pivotal factor for survival after hepatocellular carcinoma resection: A 15-year observational study Jae Hyun Yoon (Chonnam National University, Korea)
	14:30-14:40	Outcomes of Surgical Resection and Transarterial Chemoembolization in Elderly Patients with Hepatocellular Carcinoma Roy Christopher Ang (National Kidney and Transplant Institute, Philippines)
	14:40-14:50	Prediction of early variceal bleeding in HCC patients receiving antiangiogenic therapies: application to the atezolizumab plus bevacizumab therapy Pil Soo Sung (The Catholic University of Korea, Korea)

Free Paper 11 : Functional GI disorders/Motility 03

Date / Time	Dec. 1 (Thu), 15:10-16:00
Room	Room 8
Chair(s)	Moo-In Park (Kosin University, Korea) Joong Goo Kwon (Catholic University of Daegu, Korea)
Speakers	15:10-15:20	Comparison of Diagnosis of Esophageal Motility Disorders by Chicago Classification Versions 3.0 and 4.0 Jin Hee Noh (University of Ulsan, Korea)
	15:20-15:30	Novel serum markers for achalasia diagnosis Xingyu Jia (Sun Yat-sen University, China)
	15:30-15:40	Epidemiology of eosinophilic esophagitis in Korea: A multicenter historical cohort study based on nationwide endoscopic data Ga Hee Kim (Chung-Ang University, Korea)
	15:40-15:50	Clinician's knowledge, attitude, and practice in the management of functional gastrointestinal disease with neuromodulators and psychiatric treatment Seung Yong Shin (Chung-Ang University, Korea)
	15:50-16:00	A median arcuate ligament syndrome could be re-termed as a nutcracker celiac ganglion abdominal pain syndrome Ji Eun Kim (Sungkyunkwan University, Korea)

Free Paper 12 : Others 01

Date / Time	Dec. 2 (Fri), 08:30-09:10
Room	Room 8
Chair(s)	Gwang Ho Baik (Hallym University, Korea) Sung Chul Park (Kangwon National University, Korea)
Speakers	08:30-08:40	Deep-learning-based clinical decision support system for gastric neoplasms in real-time endoscopy: Development and validation study Chang Seok Bang (Hallym University, Korea)
	08:40-08:50	Development of self-expandable metal stent for weight reduction Donghoon Kang (The Catholic University of Korea, Korea)
	08:50-09:00	Seeing is believing: The effect of graphical abstracts on citations and social media exposure in gastroenterology & hepatology journals Yohan Kim (Soon Chun Hyang University, Korea)
	09:00-09:10	The factor analysis influencing the diagnostic yields of capsule endoscopy in patients with obscure GI bleeding Keepyung Hong (The Catholic University of Korea, Korea)

Free Paper 13 : Others 02

Date / Time	Dec. 2 (Fri), 09:10-10:00
Room	Room 8
Chair(s)	Jeong-Sik Byeon (University of Ulsan, Korea) Cheol Min Shin (Seoul National University, Korea)
Speakers	09:10-09:20	A probiotic formula for modulation of colorectal cancer risk via reducing CRC-associated bacteria Jessie Qiaoyi Liang (The Chinese University of Hong Kong, Hong Kong)
	09:20-09:30	Faecal microbiome-based machine learning for multi-class disease diagnosis Qi Su (The Chinese University of Hong Kong, Hong Kong)
	09:30-09:40	Gastrointestinal Manifestations and Outcomes in Hospitalized COVID-19 Patients: A Retrospective Study Jaylo Abalos (Region I Medical Center, Philippines)
	09:40-09:50	Informed consent in endoscopy: read, understood or merely signed Ana Catarina Carvalho (Centro Hospitalar Tondela Viseu, Portugal)
	09:50-10:00	Asian American Midlife Women's Gastrointestinal Symptoms and their Correlates Wonshik Chee (Emory University, United States)

Free Paper 14 : Lower GI 01

Date / Time	Dec. 2 (Fri), 13:20-14:00
Room	Room 2
Chair(s)	Hyunsoo Kim (Yonsei University Wonju, Korea) Chang Hwan Choi (Chung-Ang University, Korea)
Speakers	13:20~13:30	Distinct gut microbiome in pregnancy vertically transmitted in infants: Host microbiome implication from MOMmy Cohort Shilan Wang (The Chinese University of Hong Kong, China)
	13:30~13:40	Real-World Efficacy And Safety Of Ustekinumab And Adalimumab In Patients With Crohns Disease: Propensity Matched Analysis Yeji Shin (Sungkyunkwan University, Korea)
	13:40~13:50	Small bowel involvement proximal to terminal ileum is a major risk factor for intestinal resection in patients with ileal or ileocolonic Crohn's disease Chang Kyo Oh (Hallym University, Korea)

Free Paper 15 : Lower GI 02

Date / Time	Dec. 2 (Fri), 14:00-14:50
Room	Room 2
Chair(s)	Joo-Sung Kim (Seoul National University, Korea) Dong Il Park (Kangbuk Samsung Hospital, Korea)
Speakers	14:00~14:10	An epithelial-mesenchymal transition markers in uninflamed endoscopic lesions and the prognosis of ulcerative colitis Yu Kyung Jun (Seoul National University, Korea)
	14:10~14:20	Precision Medicine for Colorectal Cancer Therapy: Customized and Multi-functionalized Hyperbranched Polymeric Superparamagnetic Nanomedicines for Hyperthermia and Niclosamide Combinatorial Bimodal Therapy of Colorectal Cancer Anas Ahmad (University of Calgary, Canada)
	14:20~14:30	Prognosis of Korean familial adenomatous polyposis patients who did not undergo colectomy Min Kwan Kwon (University of Ulsan, Korea)
	14:30~14:40	Effect of Probiotics for Prevention of Carbapenem-resistant Enterobacteriaceae for Patients in Intensive Care Unit. Insik Yoon (Inha University, Korea)
	14:40~14:50	The impact of food additive on maternal health and gut microbiome: prospective MOMmy cohort study Yingzhi Liu (The Chinese University of Hong Kong, China)

Free Paper 16 : Liver 05

Date / Time	Dec. 2 (Fri), 13:20-14:00
Room	Room 4
Chair(s)	Young Seok Kim (Soon Chun Hyang University, Korea) Jeong Heo (Pusan National University, Korea)
Speakers	13:20-13:30	Histopathological analysis and validation of four scoring systems for autoimmune hepatitis Haeryoung Kim (Seoul National University, Korea)
	13:30-13:40	Evaluation of Effectiveness of Royal Free Hospital-Nutritional Prioritizing Tool to Predict Nutritional Status and Clinical Outcomes of Chronic Liver Disease in Korea Sumin Jo (Kosin University, Korea)
	13:40-13:50	Hepatic hemangioma: Proportion and Predictor of Surgical Treatment with Emphasis on Its Growth Rate Young Cheol Shin (Seoul National University, Korea)
	13:50-14:00	The effectiveness of plasma exchange on short-term survival in patients with acute-on-chronic liver failure: a Vietnamese single-center experience Van Huy Vo (University Medical Center, Vietnam)

Free Paper 17 : Liver 06

Date / Time	Dec. 2 (Fri), 14:00-14:50
Room	Room 4
Chair(s)	Jin-WooK Kim (Seoul National University, Korea) Hee Bok Chae (Chungbuk National University, Korea)
Speakers	14:00-14:10	The efficacy and safety of Sofosbuvir/Velpatasvir and Sofosbuvir/Velpatasvir/Voxilaprevir in HCV infected Korean patients Jeong Heo (Pusan National University, Korea)
	14:10-14:20	A machine learning model for predicting hepatocellular carcinoma risk in patients with chronic hepatitis B Hye Won Lee (Yonsei University, Korea)
	14:20-14:30	Low level of hepatitis B viremia increases the risk of hepatocellular carcinoma in patients with untreated compensated cirrhosis Jiwon Yang (University of Ulsan, Korea)
	14:30-14:40	Prediction of Hepatocellular Carcinoma Development in Korean Patients After Hepatitis C Cure with Direct-acting Antivirals Hyeyeon Hong (University of Ulsan, Korea)
	14:40-14:50	The Seroprevalence of Anti-hepatitis C Virus Antibody in the Persons Who Inject Drugs in South Korea: a Multicenter, Retrospective Study during 2012-2022 Jihye Kim (Seoul National University, Korea)

Free Paper 18 : Upper GI 03

Date / Time	Dec. 3 (Sat), 10:20-11:00
Room	Room 1
Chair(s)	Jae Myung Park (The Catholic University of Korea, Korea) Do Hoon Kim (University of Ulsan, Korea)
Speakers	10:20-10:30	Application of Deep Learning-based System for Predicting the Differentiation Status of Early Gastric Cancer So Young Han (Yonsei University, Korea)
	10:30-10:40	Multi-Functional Robotic Capsule Endoscopy in the Upper GI Tract Jayoung Kim (Korea Institute of Medical Microrobotics, Korea)
	10:40-10:50	Comparison of functional lumen imaging probe and high-resolution manometry to predict clinical improvement post peroral endoscopic myotomy Sung Jun Park (CHA Univ., Korea)
	10:50-11:00	A Novel Therapeutic Paradigm of Cellulose-Conjugated Copper-Oxide Nanoparticles for Ameliorating the Severity of Peptic Ulcers in Wistar Rat Model Anas Ahmad (University of Calgary, Canada)

Free Paper 19 : Upper GI 04

Date / Time	Dec. 3 (Sat), 11:00-11:50
Room	Room 1
Chair(s)	Sang Gyun Kim (Seoul National University, Korea) Jung Mogg Kim (Hanyang University, Korea)
Speakers	11:00-11:10	A Prospective comparison of SurePathTM liquid-based cytology and conventional smear cytology in endoscopic ultrasound-guided sampling of esophageal, gastric, duodenal lesions Jaechang Jun (Seoul National University, Korea)
	11:10-11:20	Single-cell analysis of gastric cancer reveals distinct subtypes of cancer associated fibroblasts and its interaction with tumor cells Mi Jin Oh (Seoul National University, Korea)
	11:20-11:30	Targeted deletion of Slc26a9 attenuates the mucosal defense barrier in portal hypertensive gastropathy by enhancing endoplasmic reticulum stress-mediated mitochondria-dependent apoptosis signaling Zhiqiang Yi (Zunyi Medical University, China)
	11:30-11:40	Parietal cell-selective Slc26a9 deletion in mice results in gastric mucosal immune disorders, which is the key event to development of autoimmune gastritis Zilin Deng (Zunyi Medical University, China)
	11:40-11:50	The Expression of IgG4 in Eosinophilic Esophagitis See Young Lee (Yonsei University, Korea)

Free Paper 20 : Upper GI 05

Date / Time	Dec. 3 (Sat), 10:20-11:00
Room	Room 2
Chair(s)	Myung-Gyu Choi (The Catholic University of Korea, Korea) Seiichiro Abe (National Cancer Center, Japan)
Speakers	10:20-10:30	Effect of lifestyle modification on the development of cardiovascular disease in gastric cancer patients who underwent gastrectomy. Bokyung Kim (Seoul National University, Korea)
	10:30-10:40	Risk assessment of metachronous gastric cancer development using the OLGA and OLGIM staging systems Yun Suk Na (Seoul National University, Korea)
	10:40-10:50	Nomogram prediction for gastric cancer development Joo Hyun Lim (Seoul National University, Korea)
	10:50-11:00	Lower risk of depression after smoking cessation and alcohol abstinence in patients with gastric cancer who underwent gastrectomy: A population-based nationwide cohort study Bokyung Kim (Seoul National University, Korea)

Free Paper 21 : Upper GI 06

Date / Time	Dec. 3 (Sat), 11:00-11:50
Room	Room 2
Chair(s)	Soo Heon Park (The Catholic University of Korea, Korea) Ki-Nam Shim (Ewha Womans University, Korea)
Speakers	11:00-11:10	Role of Oral Iron Supplementation for Anemia Secondary to Acute Nonvariceal Upper Gastrointestinal Bleeding: A Randomized Controlled Trial Arunchai Chang (Hatyai Hospital, Thailand)
	11:10-11:20	Preventive effect of Helicobacter pylori eradication on the coronary heart diseases depending on age and sex Sang Bin Kim (Seoul National University, Korea)
	11:20-11:30	Impact of Helicobacter pylori treatment on the risk of development of metachronous cancer after endoscopic treatment of gastric precancerous lesion: a nationwide cohort study Hae Won Yoo (Soon Chun Hyang University, Korea)
	11:30-11:40	Clinical impact of esophageal muscle thickness on peroral endoscopic myotomy patients Su Gook Lee (CHA Univ., Korea)
	11:40-11:50	Development of risk scoring system for mortality from upper gastrointestinal cancers Hyun Min Kim (The Catholic University of Korea, Korea)

Free Paper 22 : Lower GI 03

Date / Time	Dec. 3 (Sat), 10:20-11:00
Room	Room 3
Chair(s)	Bong Min Ko (Soon Chun Hyang University, Korea) Ja Seol Koo (Korea University, Korea)
Speakers	10:20-10:30	Association between Nonalcoholic fatty liver disease and the risk of Colorectal cancer among people with Type 2 Diabetes mellitus: A Nationwide Population-based Cohort study in South Korea Seulji Kim (Seoul National University, Korea)
	10:30-10:40	Effect for completion time of bowel preparation on bowel cleansing efficacy: a prospective randomized comparison of 2-4 hours vs 4-8 hours before colonoscopy Hye Min Kim (The Catholic University of Korea, Korea)
	10:40-10:50	The non-inferiority of 0.6% and 0.3% of sodium alginate as injection solution in colorectal endoscopic submucosal dissection Yuri Tomita (Kyoto Prefectural University, Japan)
	10:50-11:00	Polypectomy using Folding Snare Method in Colon Polyp with Long Peduncle: A Pilot Study Soon Ju Hwang (The Catholic University of Korea, Korea)

Free Paper 23 : Lower GI 04

Date / Time	Dec. 3 (Sat), 11:00-11:40
Room	Room 3
Chair(s)	Eun Young Kim (Daegu Catholic University, Korea) Beom Jae Lee (Korea University, Korea)
Speakers	11:00-11:10	Predictors of bleeding ulceration due to argon plasma coagulation in radiation proctitis Gritcharat Watthanasathitarpha (Chulalongkorn University, Thailand)
	11:10-11:20	Factors related to treatment failure of argon plasma coagulation for the treatment of hemorrhagic radiation proctitis Wanda Sebastian (Chinese General Hospital, Philippines)
	11:20-11:30	Benefits of probiotic pretreatment on the gut microbiota and minor complications after bowel preparation for colonoscopy: A randomized double-blind, placebo-controlled trial Jae Hyun Kim (Kosin University, Korea)
	11:30-11:40	Overall and Disease-Specific Survival of Patients with Serrated Colorectal Cancer: A Study Based SEER Database by Propensity Score Matching Analysis Min Seob Kwak (Kyung Hee University, Korea)

Free Paper 24 : Lower GI 05

Date / Time	Dec. 3 (Sat), 10:20-11:00
Room	Room 4
Chair(s)	Yoon Tae Jeen (Korea University, Korea) Chang Kyun Lee (Kyung Hee University, Korea)
Speakers	10:20-10:30	Endosonographic characteristics of incidental colon subepithelial tumor Aryoung Kim (Sungkyunkwan University, Korea)
	10:30-10:40	Association Between Hypertriglyceridemia and the Risk of Early Onset Colorectal Cancer Young Hoon Chang (Seoul National University, Korea)
	10:40-10:50	Can we rely on HLA to predict resistance to biological therapy in IBD patients? Ana Catarina Carvalho (Centro Hospitalar Tondela Viseu, Portugal)
	10:50-11:00	Population Pharmacokinetic Model of Intravenous Infliximab in Korean Patients with Crohn's Disease Jeongkuk Seo (University of Ulsan, Korea)

Free Paper 25 : Lower GI 06

Date / Time	Dec. 3 (Sat), 11:00-11:40
Room	Room 4
Chair(s)	Kang-Moon Lee (The Catholic University of Korea, Korea) Jae Hee Cheon (Yonsei University, Korea)
Speakers	11:00-11:10	Identification and Evaluation of a serum microRNA method for screening advanced colorectal polyps Lui Ng (The University of Hong Kong, Hong Kong)
	11:10-11:20	Identification of the post-translational modification of Sox2 during progression and reprogramming of colorectal cancer Yoojeong Seo (Yonsei University, Korea)
	11:20-11:30	Clinical characteristics and outcomes of Clostridioides difficile infection in the intensive care units: a multicenter cohort study Ji Eun Baek (The Catholic University of Korea, Korea)
	11:30-11:40	Which scoring system can accurately predict the prognosis of patients for lower gastrointestinal bleeding? Sang-Hoon Yeon (Chungnam National University, Korea)

Free Paper 26 : Oncology 01

Date / Time	Dec. 3 (Sat), 10:20-11:00
Room	Room 5
Chair(s)	Jin-Hyeok Hwang (Seoul National University, Korea) Seungmin Bang (Yonsei University, Korea)
Speakers	10:20-10:30	A Pilot Study for Single cell RNA-sequencing of Patient-Derived Pancreatobiliary Cancer Organoid Bomi Kim (Seoul National University, Korea)
	10:30-10:40	RIPK1 and IL-1a modulatory effects on colorectal cancer cell inflammatory response, survival, and growth capability Zaridatul Aini Ibrahim (Universiti Malaya, Malaysia)
	10:40-10:50	CHIA deficiency results in the development of gastric cancer via activation of STAT3 signaling pathway Yingying Zhao (Zunyi Medical University, China)
	10:50-11:00	Clinical and molecular differences in 933 patients with colorectal cancer depending on sex Yonghoon Choi (Seoul National University, Korea)

Free Paper 27 : Oncology 02

Date / Time	Dec. 3 (Sat), 11:00-11:50
Room	Room 5
Chair(s)	Geun Am Song (Pusan National University, Korea) Jae Jun Park (Yonsei University, Korea)
Speakers	11:00-11:10	Artificial Intelligence-Based Classification of Tumor Differentiation in Colorectal Adenoma via Graph Convolutional Neural Networks Min Seob Kwak (Kyung Hee University, Korea)
	11:10-11:20	SPOCD1 as a potential prognostic biomarker and therapeutic target for Colorectal cancer Xiangxu Kong (Tianjin Medical University, China)
	11:20-11:30	Current Status of Therapeutic Endoscopy and Changes in Gastric Cancer Incidence in Korea Seung Han Kim (Korea University, Korea)
	11:30-11:40	Clinical outcomes and risk factors related with poor prognosis after endoscopic resection in 10-20 mm sized rectal neuroendocrine tumor: 10-year experience in a multicenter, retrospective study Jin Ook Jang (Pusan National University, Korea)
	11:40-11:50	Clostridium butyricum inhibits epithelial-mesenchymal transition of intestinal carcinogenesis through downregulating METTL3 Kexin Zhang (Tianjin Medical University, China)

Free Paper 28 : Pancreatobiliary 03

Date / Time	Dec. 3 (Sat), 10:20-11:00
Room	Room 6
Chair(s)	Seok Jeong (Inha University, Korea) Kwangbum Cho (Keimyung University, Korea)
Speakers	10:20-10:30	Partially covered self-expandable metal stent with antimigratory single flange plays important role during EUS-guided hepaticogastrostomy Atsushi Okuda (Osaka Medical and Pharmaceutical University, Japan)
	10:30-10:40	Plastic Stents Vs. NAGI Bi-Flanged Metal Stent for Endoscopic Ultrasound Guided Drainage of Walled-Off Necrosis-A Randomized Controlled Study Krithi Krishna Koduri (Asian Institute of Gastroenterology, India)
	10:40-10:50	Efficacy of biliary cytology using a newly developed brush with rapid on-site evaluation for detection of malignant biliary strictures Jun-Ho Myeong (Soon Chun Hyang University, Korea)
	10:50-11:00	Comparison of braided- versus laser-cut-type covered SEMS for EUS-guided hepaticogastrostomy. Yoshitaro Yamamoto (Osaka Medical and Pharmaceutical University, Japan)

Free Paper 29 : Pancreatobiliary 04

Date / Time	Dec. 3 (Sat), 11:00-11:50
Room	Room 6
Chair(s)	Ji Kon Ryu (Seoul National University, Korea) Dong Hee Koh (Hallym University, Korea)
Speakers	11:00-11:10	Efficacy and safety of novel hemostatic gel in endoscopic sphincterotomy or endoscopic papillectomy: A multicenter, single-blinded, randomized controlled clinical trial Jin Ho Choi (Seoul National Univeristy, Korea)
	11:10-11:20	Real-world practice pattern in the EUS-guided transhepatic biliary drainage: the largest mono-centric retrospective cohort study Gunn Huh (University of Ulsan, Korea)
	11:20-11:30	The role of endoscopic ultrasound in patients with intermediate risk of choledocholithiasis and result of long-term follow-up in patients treated without endoscopic retrograde cholangiopancreatography Jun Woo Park (Kyungpook National University, Korea)
	11:30-11:40	Diagnostic role of Single-operator cholangioscopy for mapping of extrahepatic cholangiocarcinoma Min Je Sung (CHA Univ., Korea)
	11:40-11:50	Comparison of disposable digital single-operator cholangioscopy versus direct peroral cholangioscopy for the management of intraductal superficial lesions of the bile duct Il Sang Shin (Soon Chun Hyang University, Korea)

Free Paper 30 : Oncology 03

Date / Time	Dec. 3 (Sat), 13:20-14:00
Room	Room 7
Chair(s)	Jeong Seop Moon (Inje University, Korea) Jae-Young Jang (Kyung Hee University, Korea)
Speakers	13:20-13:30	Analysis of Quality of Life (QoL) related Factors between Patients with Stomach Cancer based on EuroQol-5 Dimension (EQ5D) Index: the Korean Health and Nutrition Examination Survey (KHANES), 2007 through 2020 Han Jo Jeon (Korea University, Korea)
	13:30-13:40	The analysis of characteristics and risk factor of patients with single gastric cancer and synchronous multiple gastric cancer in 14598 patients Du Hyun Song (Seoul National University, Korea)
	13:40-13:50	Immunohistological changes after Helicobacter pylori eradication related to metachronous recurrence in gastric cancer Yeon Jin JE (Yonsei Univeristy, Korea)
	13:50-14:00	Acute Pancreatitis Increases the Risk of Gastrointestinal Cancer in Type 2 Diabetic Patients: A Korean Nationwide Cohort Study Jin Ho Choi (Seoul National Univeristy, Korea)

Free Paper 31 : Pediatric 01

Date / Time	Dec. 3 (Sat), 15:10-16:00
Room	Room 5
Chair(s)	Eell Ryoo (Gachon University, Korea) Sujin Jeong (CHA University, Korea)
Speakers	15:10-15:20	Factors associated with reaching mid-parenteral height in patients diagnosed with inflammatory bowel disease in childhood and adolescent period So Yoon Choi (Kosin University, Korea)
	15:20-15:30	Development and validation of a stepwise decision algorithm to spare a full colonoscopy in children presenting with clinically suspected colorectal polyps Ben Kang (Kyungpook National University, Korea)
	15:30-15:40	Spectrum of esophageal mucosal lesions in pediatric celiac disease: a prospective observational study Kaushal Kishor Prasad (Pgimer Chandigarh India, India)
	15:40-15:50	Barrier function of the intestine in gluten-related diseases. Svetlana Geller (Republican Specialized Scientific Practical Medical Center of Pediatrics, Uzbekistan)
	15:50-16:00	Comparison of carbon dioxide and air insufflation during consecutive esophagogastroduodenoscopy and colonoscopy in children You Ie Kim (The Catholic University of Korea, Korea)