Fig. 3

Immunohistochemical findings of the tumor. Tumor cells showed diffuse, intense staining for Hep Par-1. Note that more intense staining for the tumor part (**) compared to the background hepatic parenchyma (*) (A). Tumor cells showed diffuse, weak staining for CK7. Arrowheads indicate bile ductules (B). Positive staining for CD68 was also noted, although it was only focal staining (C)