Fig. 2

Intraoperative findings. a There is some adhesion of the duodenum (*) to the hepatoduodenal ligament. b Hilar region observed under white light. Each symbol corresponds to a structure in c. c The common bile duct is clearly visible (†). The remnant gallbladder shows weak fluorescence (¶). d The cystic duct (arrowhead) has been encircled and clipped. The cystic duct shows weak fluorescence