Good Morning America's Amy Robach bravely admitted her recent diagnosis with breast cancer on Monday's show, and said she will have a double mastectomy to combat the deadly condition.

"The diagnosis that's still hard for me to say out loud: I have breast cancer," Robach, 40, said, noting that she learned after an on-air exam.

"I know that I have a fight ahead of me. But I also know that I have a lot worth fighting for," she said. "If I got the mammogram on air and it saved one life, then it's all worth it. It never occurred to me that that life would be mine.

"I have dec