title: Giant hydronephrosis in crossed unfused ectopic kidney presenting as an unusual abdominal swelling.
mesh_terms: D000293:Adolescent; D006801:Humans; D006869:Hydronephrosis / Q000150:complications* / Q000175:diagnosis; D007668:Kidney / Q000002:abnormalities* / Q000098:blood supply / Q000601:surgery; D008297:Male; D016135:Spinal Dysraphism / Q000150:complications; D014513:Ureter / Q000601:surgery; D014567:Urography