Breast cancer by the numbers It is the most common cancer among women in the U.S.. Women in the U.S., have a 1 in 8 lifetime risk of being diagnosed with breast cancer Every 2 minutes a case of breast cancer is diagnosed in a woman in the U.S. In 2018 more than 260,000 new cases of invasive breast cancer are expected to be diagnosed in women and more than 2,500 cases in men in the U.S. In 2018 more than 41,000 women and men in the U.S. are expected to die from breast cancer I