Hepatitis C virus infection, In particular have cirrhosis, a liver cancer risk also increased. Hepatitis C can develop in the years after the cirrhosis or even hepatocellular carcinoma. Must acute to chronic hepatitis C after liver tissue may develop fibrosis, cirrhosis, liver cancer, malignant transformation are rapidly to last for 13-17 years about slow malignant transformation is required 25 or more. Regular checks of patients with hepatitis C and a fetal serum transaminase globulin level, and for understanding viremia and disease prevention activities in the liver cirrhosis, "the occurrence of liver cancer is necessary.