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.