Title Search [P063] Incidence of gallstones after gastric resection for gastric cancer: A nationwide claims-based study Chang-Sup LIM (Seoul National University Boramae Medical Center, Korea) [P064] Single center experience in patients with intracholecystic papillary-tubular neoplasm (ICPN) Seong-Ryong KIM (Korea University Anam Hospital, Korea) [P065] A comparative study between the use of biliary stent and t-tube for biliary decompression after laparoscopic common bile duct exploration VIKESH VIJ (S M S MEDICAL COLLEGE, JAIPUR, India) [P066] Robotic single-site plus one port complete excision of type I choledochal Cyst with hepaticojejunostomy and extracorporeal Roux-en-Y bilioenteric reconstruction in first experiment Jin Ho LEE (National Health Insurance Service Ilsan Hospital, Korea) [P067] Techniques of laparoscopic trans-choledochal common bile duct exploration and its complications Paramasivam SIVAMAYURAN (General surgery, Hepatopancreaticobiliary, Singapore)