Research indicators on technical characteristics of hepatectomy by Ton That Tung method combined with Takasaki * The research indicators were arranged according to an 8-step process: (1) Laparotomy; (2) Exploration and assessment of the abdomen; (3) Liver mobility; (4) Cholecystectomy, dissection of hepatic pedunculated lymph nodes; (5) Control of extrahepatic Glisson pedicle by Takasaki method; (6) Cut liver parenchyma, handle Glisson pedicle in liver by Ton That Tung method; (7) Check hemostasis, bile leak, cover the cut area; (7) Place drainage, suture to close the abdomen.