Breast cancer is the most common cancer in women worldwide.
1 In the United States, an estimated 231 840 women will be diagnosed with breast cancer in 2015.
2 Breast cancer continues to rank second, after lung cancer, as a cause of cancer death in women in the United States, and it is a leading cause of premature mortality for women. In 2012, deaths from breast cancer accounted for 783 000 years of potential life lost and an average of 19 years of life lost per death.
3 Even though mortality from breast cancer has declined steadily since 1990, largely due to improvements in early detection and treatment,
4 an estimated 40 290 women in the United States will die of breast cancer in 2015.
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