Kaplan-Meier survival curves indicated that a poor survival rate in HCC patients with high expression of CDKN2A (Figure 2A, P = 0.002), DLAT (Figure 2B, P = 0.002), GLS (Figure 2C, P = 0.022) and PDHA1 (Figure 2D, P = 0.023). The gene discussed is CDKN2A; the disease is hepatocellular carcinoma.