Study Status: Completed
Recruit Status: Completed
Study Type: Observational
Official Title: Genetic Epidemiology of Ewing's Sarcoma
Brief Summary: This clinical trial studies genetic biomarkers from saliva samples in patients with Ewing sarcoma. Studying samples of saliva from patients with cancer in the laboratory may help doctors learn more about changes that occur in deoxyribonucleic acid (DNA) and identify biomarkers related to cancer.