HSPA8 and bladder transitional cell carcinoma: Next, we performed log-rank and Cox regression analyses to investigate the prognostic role of HSPA8, and we found the its heterogeneity in the prognostic value, that is, HSPA8 was a risk factor in BLCA, BRCA, CESC, HNSC, LIHC, etc. while was a protective factor in KIRC, LGG, OV, READ, etc. (Fig. 6C).