Actress Olivia Munn, 43, Opted for Surgery to Avoid Taking an Estrogen-Suppressing Drug– Hysterectomy Often Not Enough to Keep Hormone-Fueled Cancer from Coming Back?

43-year-old actress Olivia Munn, after she was diagnosed last year with breast cancer, underwent a hysterectomy, removing her uterus, with additional surgeries to remove her fallopian tubes and ovaries oophorectomy to avoid taking an estrogen-suppressing drug, but is surgery enough to keep the disease from coming back?