Typical imaging feature of gallbladder carcinoma involving the hepatic hilum. a. Enhanced CT shows gallbladder carcinoma with hepatic invasion. b. Preoperative MRCP shows that gallbladder carcinoma is located in the neck invading the hepatic hilum. The right hepatic artery and the common bile duct were involved by tumor in the surgery. We state that the subject of the photograph has given written informed consent by the patient to publication of the photograph. GB, gallbladder, CHD, common hepatic duct; IVC, inferior vena cava; PV, portal vein; PD, pancreatic duct.