Figure 5From: The diagnostic value of arginase-1 immunostaining in differentiating hepatocellular carcinoma from metastatic carcinoma and cholangiocarcinoma as compared to HepPar-1 A case of cholangiocarcinoma (A; H&E,original magnification x400) with negative arginase-1 immunostaining (B;immuoperoxidase, original magnification,x400), stong and diffuse staining with HepPar-1 (C; immuoperoxidase, original magnification, x400). Back to article page