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A summary of the COG-RTC clinical research results in the initial treatment for Wilms tumor in children and adolescents

??Childhood kidney tumors account for about 7% of all childhood cancers. Most childhood kidney tumors are Wilms tumor??but in the 15- to 19-year age group??most tumors are renal cell carcinoma. In medically developed countries??clinical trials in Wilms tumor??WT?? have resulted in overall survival rates of greater than 90%. Children’s Oncology Group Renal Tumor Committee??COG-RTC?? is one of the clinical study groups internationally known for its clinical research in childhood kidney tumor. Its standard treatment for children with Wilms tumor consists of initial nephrectomy??when feasible?? followed by chemotherapy and??in some patients??radiation therapy. This summary reviewed peer-reviewed??evidence-based reports about the treatment for Wilms tumor published recently and intended to be a resource to assist clinicians who care for children with Wilms tumor.