TV host Samantha Harris says she will have a double mastectomy after being diagnosed with breast cancer. But the surgery doesn't eliminate cancer risk. Jordan Strauss/Invision/AP hide caption

itoggle caption Jordan Strauss/Invision/AP

In sharing her decision to have a double mastectomy, Angelina Jolie has given voice to a dilemma more women are facing. Carlo Allegri/AP hide caption

itoggle caption Carlo Allegri/AP