Clinicopathological characteristics of non‐B non‐C hepatocellular carcinoma without past hepatitis B virus infection

Past hepatitis B virus (HBV) infection is considered a risk factor for hepatocarcinogenesis, but the clinicopathological characteristics of non-B non-C hepatocellular carcinoma (NBNC-HCC) excluding past HBV infection have not been investigated. This study aimed to clarify the clinicopathological features of strictly defined NBNC-HCC.Among HCC patients who underwent surgical resection at our affiliated hospitals in Nagano prefecture, Japan,...