title: Duplication of the renal collecting system with hypoplasia of the upper pole of the kidney.
mesh_terms: D006801:Humans; D007668:Kidney / Q000002:abnormalities* / Q000000981:diagnostic imaging; D007682:Kidney Pelvis / Q000002:abnormalities / Q000000981:diagnostic imaging; D011859:Radiography; D012077:Renal Artery / Q000000981:diagnostic imaging; D014513:Ureter / Q000002:abnormalities* / Q000000981:diagnostic imaging