BRCA Gene Mutations and Cancer

genetic risk breast cancerBRCA gene mutations have been in the news this week since Angelina Jolie announced she has the BRCA1 gene mutation and opted to have a bilateral mastectomy to reduce her risks of developing breast cancer. She became aware of her risk because her mother developed breast cancer in her mid-40s and died at age 56. What exactly are the so-called breast cancer genes and who should be tested to see if they are a carrier?

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