Breast cancer. Globally, breast cancer is the most frequently diagnosed cancer, and the leading cause of cancer death in females. There are 226, 870 (female); 2, 190 (male) estimated new cases of breast cancer in the United States in 2012.
2.6million US people. The prevalence of a cancer represents how many people have the disease at a given time. The most recent us statistics quoted above are from the national cancer institute.