BRCA1 and ovarian cancer: Nevertheless, we think that it is inexpensive and extremely efficient to offer to test all breast and ovarian cancer patients in Belarus for the seven BRCA1 and BRCA2 founder mutations already detected in this population, especially in the context of the novel possibilities of breast or ovarian cancer treatment with the use individualized treatment with platin agents, Parp inhibitors, or mitomycin C [19, 20].