What risk does a woman to have a diagnosis of breast cancer in the next 10 years?
It is said that women have 1 chance in 8 of having breast cancer. This means that from birth to 90 years, the probability of having a diagnosis of breast cancer is 1 in 8. The likelihood of having breast cancer increases with age of the patient.
The probability that a woman of 30 years was diagnosed with invasive cancer in 10 years is about 0.4%, in other words, 1 in 250 women of 30 years will be diagnosed with breast cancer in the next 10 years
The probability that a woman of 40 years was diagnosed with invasive cancer in 10 years is about 1.5%, in other words, 1 in 70 women in 40 years will be diagnosed with breast cancer in the next 10 years
The probability that a woman of 50 years was diagnosed with invasive cancer in 10 years is about 2.4%, in other words, 1 in 40 women in 50 years will be diagnosed with breast cancer in the next 10 years
The probability that a woman of 60 years was diagnosed with invasive cancer in 10 years is about 3.4%, in other words, 1 in 30 women age 60 will be diagnosed with breast cancer in the next 10 years
76% of cancers occur after 50 years
References:
White E, CY Lee, Kristal AR. Evaluation of the increase in breast cancer incidence in relation to mammography use. J Natl Cancer Inst. 1990 Oct 3, 82 (19) :1546-52.
Kosary CL, Ries LAG, Miller BA, Hankey BF, Harass A, Edwards BK. SEER Cancer Statistics Review, 1973-1992: Tables and graphs. Bethesda, MD: National Cancer Institute, 1995: DHHS Publ No. (NIH) 96-2789.