High MCT4 expression (HR: 2.462; 95% CI: 1.202–5.042; p = 0.014) and age (HR: 1.037; 95% CI: 1.002–1.073; p = 0.037) were independent predictors for the postcystectomy OS of bladder cancer patients (Table 3). This evidence concerns the gene SLC16A3 and urinary bladder carcinoma.