1. Placement of Trocar

The observation hole is generally located 2 cm below the umbilicus, the main operating hole on the right, the midclavicular line is level with the umbilicus, and the auxiliary hole on the right is at the level of the anterior axillary line of the costal margin. The position of the left 2 holes on the right side can be less deviated to the center line. The spacing between each hole is about one punch.

2. Free liver flexure of colon, descending colon (strongly recommended for obese patients)

3. Broken stomach, broken intestines

4. Suspended liver (can be selected according to the habit of the surgeon).

5. Anatomy of the first hepatic hilum

6. Dissection of the proximal jejunum (15 min from the Treitz ligament), dissection of the pancreas

7. Dissecting the superior mesenteric vein-portal vein system, dissecting the superior mesenteric artery-celiac trunk system

8. Pancreaticojejunostomy (Blumgart method)

9. Pancreatic duct mucosa anastomosis with 5-0 or 6-0 PDS.

10. Biliary anastomosis

11. Gastrointestinal anastomosis

12. Enlarge the subumbilical incision, take out the specimen, and send it for inspection

13. Adequate hemostasis, indwelling drainage tube for pancreaticojejunostomy, drainage tube for biliary-enteric anastomosis

14. Pull out the cannula and suture the incision