Elevated P4HA3 expression was correlated with poor OS in BLCA, CESC, COAD, KIRP, STAD, THCA, UCEC and UVM (P < 0.05) (Fig 1D), especially in COAD (P = 0.0026), KIRP (P = 0.0012), and STAD (P = 0.00068) (Fig 1E). This evidence concerns the gene P4HA3 and bladder transitional cell carcinoma.