Retroperitoneal chemodectoma.
D000328:Adult; D001027:Aortography; D006801:Humans; D008297:Male; D008853:Microscopy; D010236:Paraganglioma, Extra-Adrenal / Q000175:diagnosis*; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*; D014567:Urography