NET1 and neoplasm: Cox multivariate analysis revealed several risk factors for OS (Supplementary Table 3) as follows: multiple tumors (P < 0.001), AFP ≥400 ng/ml (P = 0.001), tumor diameter ≥5 cm (P = 0.022), microvascular invasion (P = 0.003) and high NET1 expression (P = 0.007).