Genetic Risk and Breast Cancer part 3
Women with newly diagnosed breast cancer are concerned about any possible risk to their daughters and sisters. If a woman does not appear to be in a family that has breast cancer in approximately half the women on one side, then she probably does not have either the BRCA-1 or BRCA-2 gene. Gene positivity is associated with bilateral breast cancer, ovarian and breast cancer in the same family, and Ashkenazic Jewish ancestry. Women who are gene positive tend to develop breast cancer at a younger age than women with non-hereditary breast cancer. (more…)
