Wilms' tumor.
D002648:Child; D003937:Diagnosis, Differential; D006801:Humans; D007680:Kidney Neoplasms / Q000150:complications / Q000175:diagnosis / Q000628:therapy*; D009378:Neoplasms, Multiple Primary; D009392:Nephrectomy; D009396:Wilms Tumor / Q000150:complications / Q000175:diagnosis / Q000628:therapy*