Rates of breast cancer are low in women under Fewer than 5 percent of women diagnosed with breast cancer in the U. Rates begin to increase after age 40 and are highest in women over age 70 see Figure 2.
Although breast cancer in young women is rare, more thanwomen living in the United States today were diagnosed with it under age In young women, breast cancer tends to be diagnosed in its later stages and be more aggressive. Young women also have a higher mortality rate and higher risk of metastatic recurrence return of breast cancer in areas beyond the breast.
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White women and black women have the highest incidence rate of new breast cancer cases overall [ ]. The lifetime risk up to age 95 and older of breast cancer for women in the U. However, this risk varies by race and ethnic group.
Age-standardised AS incidence rates for White males with cancer excluding non-melanoma skin cancer range from Rates for Black males are similar, ranging from For females there is a different pattern — the AS rates for White females range from
Breast cancer is one of the most common cancers affecting American women, and is second only to lung cancer as a leading cause of cancer death in women. The number of breast cancer cases incidence has been on the rise during the past 20 years, while the death rate from breast cancer has decreased slightly in the past five years. The increase in cases is related, in part, to a greater emphasis on screening with routine breast exams and mammography.
White women are slightly more likely to develop breast cancer than African American, Hispanic, and Asian women. But African American women are more likely to develop more aggressive, more advanced-stage breast cancer that is diagnosed at a young age. African American women are also more likely to die from breast cancer. Some of these differences in outcomes may be due to less access to mammography and lower quality medical care, as well as various lifestyle patterns eating habits and weight issues for example that are more common in some ethnic groups than in others.
Many women who develop breast cancer do not have any known risk factors. Still, we know that women who possess certain risk factors are at a higher risk of developing breast cancer than the general population. Although some women who have one or more risk factors may never develop breast cancer, we can use the knowledge of these risk factors to target higher-risk women with increased breast surveillance and breast cancer prevention strategies.
Breast cancer is the most common form of cancer to affect women, and incidence is growing, with about 1. They estimate that somewomen will be diagnosed with breast cancer inand that 40, women will die of the disease. The American Cancer Society ACS also predicts that about 2, men will be diagnosed with breast cancer, and that men will die from the disease. The 5-year survival rate is the percentage of people who are alive five years after receiving a diagnosis.