BRCA1 and breast cancer: The main indications for screeningwith breast MRI are as follows(8,9): having the BRCA1 or BRCA2 genemutation, or having a first-degree relative proven to be a carrier of such amutation; having a lifetime risk of ≥ 20%, as calculated with one of themathematical models based on personal and family history; undergoing thoracicradiotherapy between 10 and 30 years of age; having a genetic mutation thatincreases the risk of breast cancer or having a first-degree relative with such amutation; having a personal history of breast cancer or high-risk lesions; andhaving dense breasts(10).