OLFML3 and bladder transitional cell carcinoma: To develop a signature for prognosis prediction of BLCA, 19 genes (C1QTNF6, DAB2, ESD, FKBP10, GAD1, INHBA, LAMA2, LGALS3, MPPED1, OLFML3, PCOLCE, RASD1, RGS12, RUNX2, TIMP2, TMEM151A, TSSK1B, VAT1, and VEGFA) were obtained to build the risk model (Figures 3A, B).