Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Validation of Copy Number Changes by MLPA as Predictors of Relapse in Wilms Tumor
Brief Summary:
RATIONALE: Studying samples of tissue and urine from patients with cancer in the laboratory may help doctor learn more about changes that occur in DNA and identify biomarkers related to cancer.
PURPOSE: This research trial studies biomarkers in samples from younger patients with Wilms tumor.