Fig. 7From: Intrahepatic cholangiocarcinoma with extensive intraductal extension of high-grade biliary intraepithelial neoplasia: a case reportImmunohistochemical image of the specimen. The perihilar tumor exhibited strong positivity for MUC1 and MUC5AC. The BilIN lesions showed negativity for MUC1 and positivity for MUC5ACBack to article page