Among Eighty-six genes significantly associated with BMI in BLCA, a prioritized set of ten genes (BRCA2, DNAH9, GRIA4, PLXNA4, UNC13C, FCGBP, SF3B1, ELP1, NES, TRERF1) has been selected for further analyses. This evidence concerns the gene PLXNA4 and bladder transitional cell carcinoma.