title: Retroperitoneal epididymal structures in adult male.
mesh_terms: D000328:Adult; D002828:Choristoma / Q000175:diagnosis*; D004822:Epididymis; D006801:Humans; D007668:Kidney / Q000002:abnormalities*; D008297:Male; D008650:Mesonephros; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*; D014649:Vas Deferens