Fig. 4

Preoperative endoscopic retrograde cholangiogram (ERC). ERC showed a filling defect in the left bile duct (yellow arrow) and dilation of the left intrahepatic bile duct
Preoperative endoscopic retrograde cholangiogram (ERC). ERC showed a filling defect in the left bile duct (yellow arrow) and dilation of the left intrahepatic bile duct