title: 74-year-old woman with dyspnea on exertion and anemia.
authors.affiliation: Internal Medicine, Mayo School of Graduate Medical Education, Mayo Clinic College of Medicine, Scottsdale, Ariz, USA.
authors.forename: Kelly K
authors.initials: KK
authors.lastname: Curtis
authors.forename: Donald W
authors.initials: DW
authors.lastname: Northfelt
mesh_terms: D000368:Aged; D000743:Anemia, Hemolytic / Q000175:diagnosis* / Q000209:etiology*; D000748:Anemia, Macrocytic / Q000209:etiology / Q000473:pathology; D001859:Bone Neoplasms / Q000150:complications / Q000175:diagnosis / Q000556:secondary*; D001943:Breast Neoplasms / Q000473:pathology*; D018270:Carcinoma, Ductal, Breast / Q000150:complications / Q000175:diagnosis / Q000556:secondary*; D004417:Dyspnea / Q000209:etiology; D005260:Female; D006801:Humans; D045262:Reticulocytosis