Wilms' tumor.
D002648:Child; D002675:Child, Preschool; D005500:Follow-Up Studies; D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis / Q000473:pathology / Q000628:therapy*; D009362:Neoplasm Metastasis; D009367:Neoplasm Staging; D011379:Prognosis; D012106:Research; D014481:United States; D009396:Wilms Tumor / Q000175:diagnosis / Q000473:pathology / Q000628:therapy*