"My doctors estimated that I had an 87 percent risk of breast cancer and a 50 percent risk of ovarian cancer, although the risk is different in the case of each woman," Jolie wrote. "Once I knew that this was my reality, I decided to be proactive and to minimize the risk as much I could. I made a decision to have a preventive double mastectomy."Jolie's mother, actress and producer Marcheline Bertrand, died of ovarian cancer in 2007 at the age of 56. Jolie is 37 years old."My chances of developing breast cancer have dropped from 87 percent to under 5 percent."
Read more: Angelina Jolie undergoes double mastectomy - CNN
Would you do have a double mastectomy if you knew your odds and had the opportunity to do so?