[Autopsy case of osteosarcoma originating from the pulmonary artery].
D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology; D008297:Male; D008875:Middle Aged; D012516:Osteosarcoma / Q000473:pathology*; D010496:Pericardium / Q000473:pathology; D011651:Pulmonary Artery / Q000473:pathology*