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Hepatocellular carcinoma(HCC)is one of the most common liver neoplasms worldwide,and 70-80%cases are accounted in Asian countries(1).Etiological background of HCC patients is different in each country or area.In China,
Hepatocellular carcinoma (HCC) is one of the most common liver neoplasms worldwide, and 70-80% cases are accounted in Asian countries (1). Etiological background of HCC patients is different in each country or area. In China,