S100A5 and bladder transitional cell carcinoma: In addition, the area under the ROC curves (AUCs) were more than 0.85 in the TCGA‐BLCA cohort (Figure S9B and Table S4, Supporting Information) and reached 0.90 in the Xiangya cohort (Figure S9C and Table S4, Supporting Information), indicating a robust high predictive value of S100A5 for molecular subtypes.