Intrapericardial teratoma.
D005260:Female; D006338:Heart Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*; D006801:Humans; D007223:Infant; D010496:Pericardium / Q000473:pathology / Q000601:surgery*; D011859:Radiography; D013724:Teratoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery*