The relative risk of BC in the third decade was 3.25 (95%CI, 1.60–6.62) in carriers of RAD51C PV/LPV; in carriers of RAD51D PV/LPV, the relative risk of BC between 20 and 39 years of age was 2.25 (95%CI, 1.25–4.04) [49]. This evidence concerns the gene RAD51C and breast cancer.