title: How should I respond to clinicians who ask me about breast cancer screening for women 40-50 years of age?
authors.affiliation: Massachusetts General Hospital, Boston 02114.
authors.forename: D B
authors.initials: DB
authors.lastname: Kopans
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001943:Breast Neoplasms / Q000000981:diagnostic imaging / Q000401:mortality; D005260:Female; D006801:Humans; D008327:Mammography; D008875:Middle Aged; D015996:Survival Rate