title: Hemoptysis: two unusual causes.
abstract: Hemoptysis is most commonly due to pulmonary pathology. When cardiac in origin it is usually due to mitral valve disease. The authors present two unusual causes of hemoptysis: cor triatriatum and primary cardiac liposarcoma.
authors.affiliation: Division of Cardiac Surgery, University of Ottawa Heart Institute, Ottawa Civic Hospital, Ontario.
authors.forename: M D
authors.initials: MD
authors.lastname: Black
authors.forename: R G
authors.initials: RG
authors.lastname: Masters
authors.forename: V M
authors.initials: VM
authors.lastname: Walley
authors.forename: W J
authors.initials: WJ
authors.lastname: Keon
mesh_terms: D000328:Adult; D003310:Cor Triatriatum / Q000150:complications*; D006338:Heart Neoplasms / Q000150:complications*; D006469:Hemoptysis / Q000209:etiology*; D006801:Humans; D008080:Liposarcoma / Q000150:complications*; D008297:Male