Double mastectomy not always needed, report says

Women fighting cancer in one breast don't benefit from having both breasts removed, according to new research out Tuesday that found the long-term survival rate was about the same after targeted surgery plus radiation.

Hollywood star Angelina Jolie famously announced last year she had a double mastectomy to reduce her risk of one day developing breast cancer, because she has a genetic mutation that substantially increases breast cancer risk.

And a growing number of women after a diagnosis have begun choosing the most radical surgical option - a double mastectomy to remove all breast tissue - even when cancerous tissue was found only in one breast.