EPOR and bladder transitional cell carcinoma: The PFI showed that EPOR was significantly associated with the prognosis of BLCA (HR = 0.65, p < 0.01), LUAD (HR = 0.74, p < 0.01), CESC (HR = 1.68, p < 0.05), LUSC (HR = 1.49, p < 0.05), and MESO (HR = 2.60, p < 0.001) (Figure 3D).