Would you offer contralateral prophylactic mastectomy in an older BRCA1 + woman who is getting treated for newly diagnosed BC with mastectomy and SLNB?

Women with deleterious mutations in BRCA1 typically develop triple negative breast cancers. There is a not-insignificant risk of breast cancer in the contralateral breast after a diagnosis of breast cancer. This risk is as high as 20% within 5 years of the primary diagnosis. Even if detected early, ...