Meta-analysis of the combined results demonstrated that patients with cancer who exhibited DBC1 overexpression exhibited shorter overall survival (OS) (n = 17, HR = 1.948, 95%CI: [1.280-2.964], P = 0.002, I2 = 88.6) and recurrence-free survival (RFS) (n = 11, HR = 2.182, 95%CI: [1.430-3.330], P = 0.000, I2 = 87.8) rates. This evidence concerns the gene CCAR2 and cancer.