title: Negative mammographic and US findings do not help exclude breast cancer.
authors.forename: Daniel B
authors.initials: DB
authors.lastname: Kopans
mesh_terms: D001706:Biopsy; D001940:Breast / Q000473:pathology; D001943:Breast Neoplasms / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008327:Mammography; D016217:Ultrasonography, Mammary