title: Breast-Cancer Tumor Size and Screening Effectiveness.
authors.affiliation: Harvard Medical School, Boston, MA
  dkopans@partners.org
authors.forename: Daniel B
authors.initials: DB
authors.lastname: Kopans
mesh_terms: D001943:Breast Neoplasms / Q000175:diagnosis*; D003362:Cost-Benefit Analysis; D006801:Humans; D008327:Mammography; D008403:Mass Screening