Andrea Mitchell Andrea Mitchell

Andrea Mitchell announced on her MSNBC show that she has breast cancer, urging women to get screened and saying her own prognosis was "terrific."

"I had planned to be hiking in Wyoming last week but instead discovered that I am now among the one in eight women — incredibly, one in eight — who've had breast cancer," she said Wednesday. "Mine was discovered during my annual screening just a short time ago. Lucky for me, I'm one of the fortunate ones. We discovered it in the earliest stage, it has not spread, and I'm already back at work with a terrific prognosis."

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Mitchell, 64, has been the chief foreign affairs correspondent for NBC News since 1994. She hosts Andrea Mitchell Reports daily on MSNBC.

"I'm looking at this as another of life's lessons," she said. "For you women out there and for the men who love you, screening matters. Do it," she added.

Watch the announcement: