Figure 1
From: Claudin-4 differentiates biliary tract cancers from hepatocellular carcinomas

Immunohistochemistry for claudin-4 on tissue microarray. (a) Schematic representation of the samples placed on the tissue microarray according to localization. (1) normal liver, (2) hepatocellular carcinoma, (3) gallbladder tumor, (4) common bile duct tumor, (5) hepatic duct tumor and (6) intrahepatic (peripheral) bile duct tumor. (b) Gallbladder tumor. (c) Common bile duct tumor. (d) Hepatocellular carcinoma. (e) Normal liver. Magnification × 28.