FOXA1 is recurrently mutated in its coding sequence in up to 9% and 13% of primary prostate cancer and mCRPC, respectively (Barbieri et al. 2012; Grasso et al. 2012; Huang et al. 2017; Adams et al. 2019; Parolia et al. 2019). This evidence concerns the gene FOXA1 and prostate cancer.