Assertion: preventive mastectomy | /r/HasProperty | considered
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text: A preventive mastectomy might also be considered if the woman has the BRCA1 or BRCA2 genetic mutation that increases her risk of developing breast cancer, a strong family history of breast cancer, a diagnosis of lobular carcinoma in situ (LCIS), a family history of breast cancer, or history of radiation to the chest before age 30.