Title Search [BR 2-1] Challenges to begin basic research as a hepatobiliary surgeon: Personal experience Say-June KIM (The Catholic University of Korea, Korea) [BR 2-2] Clinical relevance of bioinformatics in liver cancer Keun Soo AHN (Keimyung University) [BR 2-3] Analysis of cfDNA for diagnosis and prognostic prediction in PDAC patients Wenhui LOU (Fudan University, China)