论文部分内容阅读
Cholangiocarcinomas are categorized as intrahepatic cholangio- carcinoma (iCCA), perihilar cholangiocarcinoma (pCCA), and dis- tal cholangiocarcinoma (dCCA) [1] . iCCA and pCCA are the second most common primary hepatobiliary malignant neoplasms [ 1 , 2 ]