Title Search [BP OP 2-S1] Effects of Red Ginseng on Gut Microbiome after Pancreaticoduodenectomy - a Randomized Controlled Trial Youn Soo SEO (Gangnam Severance Hospital, Korea) [BP OP 2-S2] Survival Impact of Time Interval of Completion Radical Cholecystectomy in T2 Gallbladder Cancer : Multicenter Study Soo Yeun LIM (Samsung Medical Center, Korea) [BP OP 2-S3] Evaluation of Benefit of Robotic Pancreatoduodenectomy (PD) Focusing on Pancreatic Fistula As Well As Complication Comparing with Open PD Using Alternative Fistula Risk Score CHARNWIT ASSAWASIRISIN (Seoul National University Hospital, Korea) [BP OP 2-S4] Incidence of New-Onset Diabetes Mellitus after Pancreatectomy in Korea: a Population Study Based on Health Insurance Review And Assessment Service (HIRA) Database Yeshong PARK (Seoul National University Bundang Hospital, Korea) [BP OP 2-S5] The Clinical Features of Portal Vein after Pancreatoduodenectomy; Long-term Serial Follow up Naru KIM (Ewha Womans University Mokdong Hospital, Korea) [BP OP 2-S6] The Combination Therapy with Gemcitabine And Cisplatin Plus S-1 And Subsequent Conversion Surgery Improves Prognosis of Initially Unresectable Upper Biliary Tract Cancers Hisashi KOSAKA (Kansai Medical University, Japan) [BP OP 2-S7] Feasibility And Safety of Minimally Invasive Pancreaticoduodenectomy in Resectable/borderline Pancreatic Cancer Following Neoadjuvant Chemotherapy Seung Soo HONG (Severance Hospital, Korea) [BP OP 2-S8] Use of Supervised Machine Learning Algorithms in Predicting Postoperative Events in Gastrointestinal And HPB Surgeries. BHAVIN VASAVADA (SHALBY HOSPITALS, INDIA)