Background:Human primary hepatocellular carcinoma (HCC) is one of the highly prevalent malignant diseases worldwide which carries a very poor prognosis, and the 5-year survival rate is limited to 5%.

• 原发性肝癌是一种常见的恶性肿瘤,恶性程度高,预后很差,整个人群的肝癌5年生存率只有5%25左右。