Angeline did the right thing by undergoing the double mastectomy because she reduced her risk from developing breast cancer and ovarian cancer from the mutant BRCA1 gene. However, that does not reduce her risk of development of breast cancer in general. Most women who have the double mastectomy are more likely to not develop breast cancer due to all the breast tissue being removed. However, there are some cases where only the cancerous cells are removed while the normal cells are still intact to the breast. Since the cancerous cells develop in the glandular tissues of the breast (milk ducts and milk lobules), it is very important that the surgeon removes all of that tissue not only under the skin, but in and around the chest. Overall, women
