title: Regression of Wilms' tumor after preoperative chemotherapy.
mesh_terms: D002648:Child; D006801:Humans; D007680:Kidney Neoplasms / Q000188:drug therapy* / Q000601:surgery; D009392:Nephrectomy; D011300:Preoperative Care; D009396:Wilms Tumor / Q000188:drug therapy* / Q000601:surgery