In the United States, breast cancer is the most common cancer in women, and the second most common cause of cancer death in women (after lung cancer). In 2007, breast cancer caused about 40,910 deaths (7% of cancer deaths; almost 2% of all deaths) in the U.S. Women in the United States have a 1 in 8 chance of getting breast cancer in their lives. They have a 1 in 33 chance of death from breast cancer.