Timing of Radiation Therapy in Pediatric Wilms Tumor – A Report from the National Cancer Database

Many patients with Wilms tumor (WT) will require adjuvant radiotherapy in addition to surgery and chemotherapy. National Wilms Tumor Studies (NWTS) 1 and 2 found delayed radiation correlated with relapse; however, subsequent analyses have not confirmed this finding. We used the National Cancer Database (NCDB) to determine the impact of the surgery-to-radiotherapy interval (SRI) on survival in contemporary patients with WT.

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