Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Distribution of Mammograms with Specific Abnormalities Depicted
* Rated BI-RADS 1 at screening and verified to be actually negative at follow-up.
† Rated BI-RADS 2 at screening and verified to be actually negative at follow-up.
‡ Rated BI-RADS 0 at screening and verified to be actually negative during diagnostic work-up.
§ All examinations depicting verified cancers.
