Source:http://linkedlifedata.com/resource/umls/id/C0684337
MSH: A group of highly cellular primitive round cell neoplasms which occur extracranially in soft tissue and bone and are derived from embryonal neural crest cells. These tumors occur primarily in children and adolescents and share a number of characteristics with EWING SARCOMA.,NCI: A type of cancer that forms in bone or soft tissue.,NCI: A small round cell tumor with neural differentiation arising from the soft tissues or bone.