Double mastectomy to prevent breast cancer reduces risk of dying from the disease in BRCA1 mutation carriers – but does not reduce further the already low risk in BRCA2 carriers

http://ift.tt/eA8V8J Healthy women who carry a breast cancer-causing mutation in the BRCA1 gene, not only reduce their risk of developing the disease but also their chances of dying from it if they have both breasts removed.

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