ERBB2 and urinary bladder carcinoma: Their data shows that, in bladder cancer, certain genes are particularly mutated: CDKN2A, FGFR3, proliferator-activated receptor gamma (PPARG), and human epidermal growth factor receptor 2 (HER2; ERBB2), TP53, E2F3 and RB1 (Kamoun et al., 2020).