Figure 4From: The diagnostic value of arginase-1 immunostaining in differentiating hepatocellular carcinoma from metastatic carcinoma and cholangiocarcinoma as compared to HepPar-1 A case of metastatic colonic adenocarcinoma to the liver (A,D; H&E,original magnification x200,x400) showed negative arginase-1 immunostaining (B,E; immuoperoxidase, original magnification x200, x400), and stong and diffuse staining with HepPar-1(C,F; immuoperoxidase, original magnification x200, x400). Back to article page