Clinical Demographics for 3,693,799 Screening Mammography Examinations from 2011-2021
Note - Unless otherwise stated, data are presented as numbers of examinations, with percentages in parentheses.
BCSC = Breast Cancer Consortium, DBT = digital breast tomosynthesis, DM = digital mammography.
* Data are medians, and data in parentheses are IQRs.
† All categories except Hispanic are non-Hispanic. The term Other includes Native American, Alaskan Native, Multiracial, and Other.
‡ No includes unknowns
§ BCSC V3 5-year invasive cancer risk calculated for examinations among women aged 35–79 years, without a personal history of breast cancer
Screening Mammography Examinations: mammography examinations indicated by the radiologist to be for screening and no other mammogram within the last 3 months.
Table numbers last updated April 22, 2026.
The following must be cited when reproducing this data:
"The Breast Cancer Surveillance Consortium and its data collection and sharing activities are funded by the National Cancer Institute (P01CA154292). Downloaded xx/xx/xxxx from the Breast Cancer Surveillance Consortium Web site - http://www.bcsc-research.org/."