Primary osteosarcoma of the heart.
D000328:Adult; D004386:Duodenum / Q000473:pathology; D005260:Female; D006338:Heart Neoplasms / Q000209:etiology / Q000473:pathology; D006801:Humans; D007668:Kidney / Q000473:pathology; D008099:Liver / Q000473:pathology; D008168:Lung / Q000473:pathology; D008297:Male; D008875:Middle Aged; D009206:Myocardium / Q000473:pathology; D012516:Osteosarcoma / Q000209:etiology / Q000473:pathology