Title Search [BP OP 1-1] Long-term and short-term outcomes of laparoscopic versus open pancreatectomy for intraductal papillary mucinous neoplasm Moonhwan KIM (Department of Surgery, Seoul National University Bundang Hospital, Korea, ) [BP OP 1-2] Recurrence Factors following Curative-Intent Resection for Intrahepatic Cholangiocarcinoma Hyeong Min PARK (Center for Liver and Pancreatobiliary Cancer, National Cancer Center, Korea, ) [BP OP 1-3] Local recurrence following curative surgery for periampullary cancers – Incidence, factors associated and outcomes. Arindam MONDAL (Dept of Surgical Oncology, Tata Memorial Hospital, Mumbai, India, ) [BP OP 1-4] Filamin-A expression predicts recurrence of mass-forming cholangiocarcinoma after hepatectomy Flavio MILANA (Department of Hepatobiliary and General Surgery, Humanitas Clinical and Research Center, Humanitas University, Italy, ) [BP OP 1-5] Peritumoral Lymph Nodes in Pancreatic Cancer Revisited; is it Truly Metastatic? Yoonhyeong BYUN (Department of Surgery, Seoul National University Hospital, Korea, ) [BP OP 1-6] Clinical implication of bactibilia in moderate to severe acute cholecystitis undergoing cholecystectomy Kwangyeol PAIK (HBP Surgery, Yeouido St.Mary's Hospital, Catholic Univ. of Korea, Korea, ) [BP OP 1-7] A remnant gallbladder stump masquerading as a cystic artery pseudoaneurysm Nita THIRUCHELVAM (General Surgery, Changi General Hospital, Singapore, )