Teresa Heinz on Battling Breast Cancer

Four months ago Teresa Heinz received a diagnosis thousands of women hear every year from their doctors: "You have breast cancer." While hearing those four dreaded words changed her life, Heinz said she remained calm and did not cry. "It was all right, funny enough partially because I know my doctor very well ... and I ask her a lot of questions. So in a sense I was being a clinical person there looking at myself," Heinz told "Good Morning America's" Robin Roberts. To see Robin's extended...Full Story