Application of multiple Roux-en-Y hepaticojejunostomy reconstruction by formation of bile hilar duct lake in the operation of hilar cholangiocarcinoma

Figure 1 Bile duct lake formation model. A: Three of the adjacent bile ducts were formed into a bile duct lake. bc, de, and af are the adjacent bile duct septum incision lines cut to o; B: Suturing with 5-0 Prolene continuous sutures after adjacent bile duct incision. The adjacent edges, including bo and co, do and eo, and ao and fo, were continuously sutured to point o; C: Bile duct lake formation completed.