Further study found that six CEGs, including CCDC124, NR2C2AP, SLC25A39, DDX49, KXD1, TXNL4A, had good diagnostic value and were related to poor OS in HCC patients (all AUC>0.90; all HR > 1.40, p < 0.05). The gene discussed is NR2C2AP; the disease is hepatocellular carcinoma.