Cancer Rate (per 1,000 examinations) and Cancer Detection Rate (per 1,000 examinations) for 273,601 Diagnostic Mammography Examinations from 1996 to 2006 by Time (Months) Since Previous Mammography --- based on BCSC data as of 2008

¹ Diagnostic mammography examination: Mammography examinations indicated by the radiologist to be for evaluation of a breast problem.

² Cancers = The number of examinations with a tissue diagnosis of ductal carcinoma in situ or invasive cancer within 30 days prior to or 1 year following the examination.

³ Cancer rate (per 1,000 examinations) = The number of cancers among 1,000 diagnostic mammography examinations.

⁴ Cancer detection rate (per 1,000 examinations) = The number of cancers with a positive interpretation (BI-RADS category 4 or 5 --- 0/3 with a recommendation for biopsy were recoded as 4) among 1,000 diagnostic mammography examinations.

^* Table numbers last updated March 31, 2009. The following source must be cited when reproducing this table: NCI-funded Breast Cancer Surveillance Consortium co-operative agreement (U01CA63740, U01CA86076, U01CA86082, U01CA63736, U01CA70013, U01CA69976, U01CA63731, U01CA70040). Downloaded xx/xx/xxxx from the Breast Cancer Surveillance Consortium Web site - http://breastscreening.cancer.gov/data/performance/diagnostic/2008/rate_time.html .

[Return to Diagnostic Performance]