Characteristics used for multiple regression analyses to correlate with BC were clinical T stage (≤ T2a, T2b, ≥ T2c), Gleason Score (≤ 6, 7, > 7), pretreatment-PSA (≤ 10, 11–20, > 20 ng/ml) and ADT. This evidence concerns the gene KLK3 and breast cancer.