Fig. 6From: Gradually progressive cholangiolocellular carcinoma: a case reportFindings of immunohistochemical staining. A Epithelial membrane antigen (EMA) was strongly stained in the membrane of the cancer duct, showing a characteristic membranous pattern. B Neural cell adhesion molecule 1 (NCAM1) was positive in the cytoplasm of the tumor cells (A ×40, B ×40)Back to article page