A 60-year-old woman has a weak family history of breast cancer, including two great aunts, both postmenopausal at diagnosis. She would like to pursue BRCA testing. How would you address this request?...

A 60-year-old woman has a weak family history of breast cancer, including two great aunts, both postmenopausal at diagnosis. She would like to pursue BRCA testing. How would you address this request? What are the implications of genetic testing? What would you need to know about her history to determine the appropriateness of this test?