A. Liver surgery -- 1. Operative technique of hepatectomy -- a. Use of Intraoperative ultrasonography -- b. The techniques and instruments for minimizing bleeding during parenchymal dissection -- c. The safe application of hanging maneuvers -- d. Left hepatectomy -- e. Right hepatectomy -- f. Central bisectionectomy -- g. Left lateral sectionectomy -- h. Right anterior sectionectomy -- i. Right posterior sectionectomy -- j. Segmentectomy 4 -- k. Bisegmentectomy S5 & 6 -- l. Segmentectomy 7, 8 -- m. Laparoscopic left hepatectomy -- n. Laparoscopic left lateral sectionectomy -- o. Laparoscopic right hepatectomy -- 2. Liver transplantation -- 1. Deceased donor liver transplantation -- a. Decesead donor liver procurement -- b. Recipient hepatectomy without the use of venovenous bypass -- c. Recipient hepatectomy with the use of venovenous bypass -- d. Implantation of the deceased donor liver graft.-3. Living donor liver transplantation -- a. Donor right or extended right hepatectomy -- b. Donor left hepatectomy -- c. Living donor liver graft back-table procedure -- d. Middle hepatice vein reconstruction of right liver graft -- e. Recipient hepatectomy -- f. Hepatic vein and portal vein anastomosis -- g. Hepatic artery anastomosis -- h. Biliary reconstruction -- B. Gallbladder and biliary surgery -- 1. Cholecystectomy -- a. Laparoscopic cholecystectomy (3~4 ports method) -- b. Laparoscopic single-site cholecystectomy (single port method) -- c. Laparoscopic cholecystectomy for the polyp and early cancer of the gallbladder -- d. Concerns for laparoscopic cholecystectomy -- e. Extended cholecystectomy (wedge resection) -- f. Extended cholecystectomy (hepatectomy S4b & 5) -- 2. Resection of Chledochal cyst -- 1. Open resection of Chledochal cyst -- 2. Laparoscopic resection of Chledochal cyst -- 3. Hilar cholangiocarcinoma -- a. Extended right hepatectomy -- b. Extended left hepatectomy for Bismuth type IV hilar cholangiocarcinoma -- 4. Extrahepatic cholangiocarcinoma -- a. Bile duct excision -- b. Pancreatico-duodenectomy -- c. Hepato-pancreato-duodenectomy -- C. Pancreatic surgery -- 1. Pancreaticoduodenectomy and lymph node dissection -- 2. Distal pancreatectomy (RAMPS) -- 3. Spleen preserving distal pancreatectomy -- 4. Laparoscopic pancreaticoduodenectomy -- 5. Laparoscopic distal pancreatectomy -- 6. Laparoscopic central pancreatectomy -- 7. Transduodenal ampullectomy in ampulla adenoma -- 8. Essential tips for pancreatic & duodenal surgery; vessel resection -- 9. Essential tip for reconstruction after pancreaticoduodenectomy -- a. Pancreaticojejunostomy -- b. External drainage of pancreatic duct -- c. Pancreaticogastrostomy. .