Results: Of 79 cases 41 were cholangiocarcinoma , 9 were ampullary carcinoma , 17 were pancreatic carcinoma ,and 12 were hepatic portal metastases .

• 结果：病例包括胆管癌41例，壶腹癌9例，胰头癌17例，肝门区转移性病变12例。