Title Search [BP BEST OP 1] Hepatic artery protection using polyglycolic acid sheet during pancreaticoduodenectomy: A multicenter study Jun Suh LEE (G SAM Hospital, Korea) [BP BEST OP 2] Programmed death ligand 1 expression as a prognostic marker in advanced gallbladder cancer Seung Eun LEE (Chung-Ang University, Korea) [BP BEST OP 3] Optimal timing of surgery after neoadjuvant treatment in borderline resectable pancreatic cancer Hye-Sol JUNG (Seoul National University, Korea) [BP BEST OP 4] “Never too old for the whipple procedure!”: Multicenter propensity score matched analysis of outcomes of octogenarian patients undergoing pancreaticoduodenectomy for cholangiocarcinoma Yoo Jin CHOI (Korea University, Korea) [BP BEST OP 5] Where is the predictive marker for decision of neoadjuvant treatment for resectable pancreatic cancer? New predictive strategy using CA19-9 and fecal elastase levels Hyung Sun KIM (Yonsei University, Korea) [BP BEST OP 6] Distal pancreatectomy with celiac axis resection (DP-CAR) in the era of neoadjuvant chemotherapy: What decides proper candidates for curative surgery? – A Korean nationwide investigation So Jeong YOON (Sungkyunkwan University, Korea) [BP BEST OP 7] Comparison of survival outcomes between radical antegrade modular pancreato-splenectomy (RAMPS) and conventional distal pancreato-splenectomy for pancreatic body and tail cancer Sung Yeol YU (Chonnam National University, Korea)