Title Search [BP BEST OP 1] Spatiotemporal transcriptomic analysis reveals clinically relevant tumor heterogeneity in the patient with advanced gallbladder cancer SUNG HWAN LEE (CHA University, Korea) [BP BEST OP 2] Perioperative and oncologic outcomes of minimally-invasive pancreatoduodenectomy comparing the surgical methods: Robot-assisted vs. totally laparoscopic pancreatoduodenectomy Jae Seung KANG (Korea University, Korea) [BP BEST OP 3] Oncological outcome of conversion surgery after preoperative chemotherapy for metastatic pancreatic cancer Thomas HANK (Heidelberg University Hospital, Germany) [BP BEST OP 4] Impact of adjuvant therapy in patients with invasive intraductal papillary mucinous neoplasms of the pancreas: An international multicenter study Munseok CHOI (Yonsei University, Korea) [BP BEST OP 5] Association between pancreatic fibrosis and development of pancreoprivic diabetes after pancreaticoduodenectomy Jung Min LEE (Yonsei University, Korea) [BP BEST OP 6] Distinct prognosis of biliary tract cancer according to tumor location, stage, and treatment: A population-based study MEE JOO KANG (National Cancer Center, Korea)