In the present study, 10 genes related to prognosis of HCC were identified (KIF20A, CCNB1, RRAGC, DHX34, PLOD2, CDC42EP2, FEN1, DNAJC1, FTL, STAT6) and 10 immune-related gene signatures were formed. The gene discussed is FEN1; the disease is hepatocellular carcinoma.