HCC patients with higher expression of CDK1, BRCA1, TUBB, HSPA1A, HSPA1B, and HSPA4 showed significantly worse overall survival (Figure 5), while HCC patients with higher expression of CDK1, CLU7, BRCA1, and TUBB showed significantly worse disease-free survival (Figure 6). The gene discussed is HSPA1A; the disease is hepatocellular carcinoma.