What is the prevalence of breast cancer in the US?

Updated: Dec 16, 2019
  • Author: Jessica Katz, MD, PhD, FACP; Chief Editor: Marie Catherine Lee, MD, FACS  more...
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Breast cancer is the most common type of cancer diagnosed in women, comprising 30% of all women’s cancer diagnoses in the United States. The American Cancer Society estimates that 268,600 new cases of breast cancer will be diagnosed in women in 2019 (along with about 2670 cases in men). [1] After lung cancer, breast cancer is the second leading cause of cancer-related death in women, accounting for 15% of cancer-related deaths. [1]

The incidence of breast cancer has consistently outpaced the incidence of all other cancers (excluding indolent cutaneous malignancies) in women in the US. As of 2015, the incidence rate of female breast cancer in the US was 124.8 per 100,000 population. [2]  Of note, the incidence of invasive breast cancers decreased between 1999 and 2004, which coincides with and is possibly attributable to better adherence to recommended screening mammography for the general population of women, as well as decreasing use of menopausal hormone replacement therapy (HRT). [3, 4]

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