title: Mediastinal leiomyosarcoma in the wall of a bronchial cyst.
mesh_terms: D000328:Adult; D001982:Bronchial Diseases / Q000473:pathology*; D003560:Cysts / Q000473:pathology*; D006801:Humans; D007890:Leiomyosarcoma / Q000473:pathology*; D008297:Male; D008479:Mediastinal Neoplasms / Q000473:pathology*; D009130:Muscle, Smooth / Q000473:pathology