title: Leiomyosarcoma on an infant's mitral valve.
authors.forename: A E
authors.initials: AE
authors.lastname: Becker
authors.forename: A C
authors.initials: AC
authors.lastname: van der Wal
mesh_terms: D006338:Heart Neoplasms / Q000473:pathology*; D006801:Humans; D007231:Infant, Newborn; D007890:Leiomyosarcoma / Q000473:pathology*; D008943:Mitral Valve / Q000473:pathology