The ten year risk for breast cancer in a 40 year old woman is 1 in 69.
1 in 6 breast cancers occur in women aged 40-49.
40% of patient years of life saved by mammography are in women aged 40-49.
3/4 of women diagnosed with breast cancer have no family history of the disease and are not considered high risk.
Even for women 50+, skipping a mammogram every other year would miss up to 30% of cancers.
Mammography has helped reduce breast cancer mortality in the U.S. by nearly 1/3 since 1990.