There is a broad variation in the risk of developing breast cancer among people who carry the BRCA1 and BRCA2 gene mutation, according to a new study. BRCA1 and BRCA2 are gene mutations that predispose carriers to breast cancer.
There is a broad variation in the risk of developing breast cancer among people who carry the BRCA1 and BRCA2 gene mutation, according to a new study. BRCA1 and BRCA2 are gene mutations that predispose carriers to breast cancer.