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胆管癌是一种起源于胆管上皮的恶性肿瘤。根据肿瘤生长的位置,胆管癌可以分为肝内胆管癌和肝外胆管癌[1]。肝外胆管癌又分为上段胆管癌和中、下段胆管癌。上段胆管癌约占肝外胆管癌的2/3,位于胆囊管开口以上的胆管,包括肝总管,左右肝管汇合部和左右肝管,在1965年最先由K latski
Cholangiocarcinoma is a malignant tumor originating in the bile duct epithelium. According to the location of tumor growth, cholangiocarcinoma can be divided into intrahepatic cholangiocarcinoma and extrahepatic cholangiocarcinoma [1]. Extrahepatic cholangiocarcinoma is divided into upper bile duct cancer and lower bile duct cancer. The upper bile duct cancer accounted for about 2/3 of extrahepatic bile duct cancer, bile duct located above the opening of the cystic duct, including the common hepatic duct, left and right hepatic duct confluence and left and right hepatic duct, first in 1965 by Klatski