Facts about Breast Cancer: 1. One in eight women in the United States will be diagnosed with breast cancer in her lifetime. 2. Each year it is estimated that over 246,660 women in the United States will be diagnosed with breast cancer and more than 40,000 will die. 3. Although breast cancer in men is rare, an estimated 2,600 men will be diagnosed with breast cancer and approximately 440 will die each year. National Breast Cancer Foundation, Inc.