Title Search [KAHBPS 1] Relevance of the tumor site in node metastasis for intrahepatic cholangiocarcinoma Jae Yool JANG (Gyeongsang National University, Korea) [KAHBPS 2] Prognostic significances of numbers of lymph nodes removed and positive nodes ratio in distal bile duct cancer: a multicenter cohort study Hui Song LEE (Ewha Womans University, Korea) [KAHBPS 3] Surgical strategy of T2 gallbladder cancer according to tumor location Seung Eun Lee (Chung Ang University, Korea) [KAHBPS 4] Long-term outcomes after living liver donation: Matched cohort analysis of national database Nam-Joon YI (Seoul National University, Korea) [KAHBPS 5] Investigation of prognostic factors of pancreatic neuroendocrine tumors and establishment of surgical treatment strategy Wooil KWON (Seoul National University, Korea)