Immunohistochemical Staining (IMAGE) Osaka City University Caption Immunohistochemical staining of BTLA in liver tissues of two patients with HCC. Case 1 was a 21-year-old woman with HBV-related, huge but solitary HCC. Case 2 was a 73-year-old man with HCV-related, solitary HCC with a diameter of 45?mm. PT: peri-tumoral, T: tumor. Scale bar, 50 μm. Credit Osaka City University Usage Restrictions Permission by e-mail License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.