Title Search [PL 1] The outcomes of hepatic resection for HCC with portal vein tumor thrombosis: A multicenter study in South Korea Tae-Seok KIM (Keimyung University, Korea) [PL 2] Liver resection for a solitary huge hepatocellular carcinoma (≥ 10cm): A large-scale multicenter observational study Tian YANG (Eastern Hepatobiliary Surgery Hospital of Second Military Medical University, China) [PL 3] Developing nomograms based on multicenter database to predict oncologic outcomes in patients with extrahepatic cholangiocarcinoma undergoing curative resection Ji Su KIM (Yonsei University, Korea) [PL 4] Development of a nomogram for predicting prognosis of pancreatic cancer after pancreatectomy So Jeong YOON (Sungkyunkwan University, Korea)