Univariate regression analysis revealed that sex, antiviral therapy, current smoking, ascites, albumin, alanine aminotransferase (ALT), prealbumin, AFP, varicose veins of gastric fundus, BDTT, macrovascular invasion, MVI, tumor number, and maximal tumor diameter were potential risk factors of survival in HCC patients (Table 3). The gene discussed is AFP; the disease is neoplasm.