Right atrium rhabdomyosarcoma.
D000328:Adult; D002305:Cardiac Tamponade / Q000209:etiology; D006338:Heart Neoplasms / Q000150:complications / Q000473:pathology; D006801:Humans; D008297:Male; D009206:Myocardium / Q000473:pathology; D012208:Rhabdomyosarcoma / Q000150:complications / Q000473:pathology