BRCA1 and breast cancer: Initial screening indications included: personal (26/58, 44.8%) or family history (17/58, 29.3%) of BC, BRCA1 (3/58, 5.2%), BRCA2 (1/58, 1.7%), chest irradiation (1/58, 1.7%), other mutations (2/58, 3.4%) and other (8/58, 13.8%).