[An Ewing sarcoma of the soft tissues which has spread from its original site of growth to another anatomic site. ( NCI )]
UMLS (NCI) C0855042Metastatic Extraosseous Ewing Sarcoma
Metastatic Extraosseous Ewing's Sarcoma
Metastatic Extra-Osseous Ewing's Sarcoma
Metastatic Extraskeletal Ewing's Sarcoma