# OnCo record mqsa-breast-density-notice (term). Data CC BY-NC 4.0, attribute "Data from OnCo (onco.cc)". Whole corpus: https://onco.cc/api/v1/onco.nt
@prefix schema: <https://schema.org/> .
@prefix onco: <https://onco.cc/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<https://onco.cc/terms/mqsa-breast-density-notice/>
  a schema:DefinedTerm ;
  onco:kind "term" ;
  schema:identifier "mqsa-breast-density-notice" ;
  schema:name "Mammography Quality Standards Act (MQSA) and the breast density notice"@en ;
  schema:alternateName "MQSA"@en, "Mammography Quality Standards Act"@en, "42 U.S.C. 263b"@en, "21 CFR 900"@en, "breast density notification"@en, "dense breast notification"@en ;
  schema:description "A US federal law sets quality standards for mammography facilities. Its rules require each woman's results letter to say in plain words whether her breast tissue is dense, because dense tissue makes cancer harder to see on a mammogram and raises the risk of breast cancer."@en ;
  schema:url <https://onco.cc/terms/mqsa-breast-density-notice/> ;
  schema:dateModified "2026-11-04"^^xsd:date ;
  schema:citation <https://www.ecfr.gov/current/title-21/chapter-I/subchapter-I/part-900/subpart-B/section-900.12>, <https://www.ecfr.gov/current/title-21/chapter-I/subchapter-I/part-900> ;
  onco:tag "law", "us" ;
  onco:technologies <https://onco.cc/technologies/mammography/> ;
  onco:institutions <https://onco.cc/institutions/fda-oce/> .