Supernumerary kidney with Wilms' tumor.
D002648:Child; D005260:Female; D006801:Humans; D007668:Kidney / Q000002:abnormalities*; D012186:Retroperitoneal Neoplasms / Q000209:etiology* / Q000473:pathology; D009396:Wilms Tumor / Q000209:etiology* / Q000473:pathology