The LMRGS score of every HCC patient was obtained as follows: LMRGS score = FKTN expression × 0.2496 + PDSS1 expression × 0.0881 + PET117 expression × 0.0648 + PUS1 expression × 0.0567 + RARS1 expression × 0.0362 + RNASEH1 expression × 0.0928. Here, PDSS1 is linked to hepatocellular carcinoma.