Prince Georges Health Department
1701 McCormick Drive
Largo, MD 20774
Contact: Janet Hadley, Program Director
American Cancer Society
Cancer Prevention & Early Detection
Much of the suffering and death from cancer could be prevented by more systematic efforts to reduce tobacco use, improve diet and physical activity, and expand the use of established screening tests.
What are the key statistics about breast cancer?
Breast cancer is the most common cancer among American women, except for skin cancers. About 1 in 8 (12%) women in the US will develop invasive breast cancer during their lifetime.
The American Cancer Society’s estimates for breast cancer in the United States are for 2013:
About 232,340 new cases of invasive breast cancer will be diagnosed in women.
About 64,640 new cases of carcinoma in situ (CIS) will be diagnosed (CIS is non-invasive and is the earliest form of breast cancer).
About 39,620 women will die from breast cancer
After increasing for more than 2 decades, female breast cancer incidence rates began decreasing in 2000, then dropped by about 7% from 2002 to 2003. This large decrease was thought to be due to the decline in use of hormone therapy after menopause that occurred after the results of the Women’s Health Initiative were published in 2002. This study linked the use of hormone therapy to an increased risk of breast cancer and heart diseases. Incidence rates have been stable in recent years.
Breast cancer is the second leading cause of cancer death in women, exceeded only by lung cancer. The chance that breast cancer will be responsible for a woman’s death is about 1 in 36 (about 3%). Death rates from breast cancer have been declining since about 1989, with larger decreases in women younger than 50. These decreases are believed to be the result of earlier detection through screening and increased awareness, as well as improved treatment.
At this time there are more than 2.9 million breast cancer survivors in the United States (this includes women still being treated and those who have completed treatment).
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