F2 and liver cancer: The selection of influencing factors without associations between each other, including: age, gender, hepatitis B virus (HBV) status, AFP, PT, AST, ALT, alkaline phosphatase (ALP), albumin-bilirubin (ALBI) score, RT dose, recurrence/residual disease, Barcelona Clinic Liver Cancer (BCLC) stage, and tumor size, were considered for multivariate analysis based on P value < 0.05 in univariable analyses.