“…If bile ducts are identified, then intraoperative cholangiography should be available prior to definite surgery to define biliary system anatomy. In particular cholangiography is an essential tool to identify stones in the common bile duct, an ectopic gall bladder, an intrahepatic gallbladder, or when gall bladder is buried by extensive adhesions or atrophic due to previous cholecystitis episodes [ 30 , 37 , 38 ]. In our case, a cholangiogram was not performed because the hepatic duct was thin.…”