FZD2 showed promise as a diagnostic biomarker in BLCA, BRCA, CHOL, ESCA, HNSC, oral squamous cell carcinoma (OSCC), READ, and STAD, with AUCs of 0.829, 0.808, 0.971, 0.921, 0.955, 0.950, 0.717, and 0.858, respectively (Figures 3D–K). The gene discussed is FZD2; the disease is bladder transitional cell carcinoma.