title: Positioning challenges.
authors.affiliation: California Pacific Medical Center San Francisco, California.
authors.forename: Annette
authors.initials: A
authors.lastname: Cull
mesh_terms: D001943:Breast Neoplasms / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D008327:Mammography; D056888:Patient Positioning