[An Ewing sarcoma of the soft tissues which is confined to its original site of growth without evidence of spread to another anatomic site. ( NCI )]
UMLS (NCI) C0855043Non-Metastatic Extraosseous Ewing Sarcoma
Non-Metastatic Extraosseous Ewing's Sarcoma
Non-Metastatic Extra-Osseous Ewing's Sarcoma
Non-Metastatic Extraskeletal Ewing's Sarcoma