sarcoma connective tissue neoplasm connective tissue cancer Ewing sarcoma DOID:4158 SNOMEDCT_US_2021_09_01:134210007 SNOMEDCT_US_2021_09_01:76909002 ICDO:9364/3 UMLS_CUI:C0796547 UMLS_CUI:C1334408 DOID:4392 DOID:4391 DOID:4390 OMIM:612219 NCI:C7542 DOID:4980 DOID:0050607 MESH:D018241 GARD:6390 UMLS_CUI:C0877849 A connective tissue cancer that has_material_basis in neural crest cells derives_from undeveloped, undifferentiated neuroectoderm. UMLS_CUI:C0553580 DOID:3369 Ewing's family localized tumor Ewing's sarcoma/peripheral primitive neuroectodermal tumor Ewing's tumor Ewings sarcoma Ewings sarcoma-primitive neuroectodermal tumor MESH:D012512 MESH:C563168 UMLS_CUI:C0863029 NCI:C7806 OMIM mapping confirmed by DO. [SN]. PNET of Thoracopulmonary Region UMLS_CUI:C0684337 NCI:C4817 SNOMEDCT_US_2021_09_01:73676002 NCI:C27901 NCI:C9341 NCI:C27903 disease_ontology localized Ewing sarcoma localized Ewing's sarcoma localized Ewing's sarcoma/peripheral primitive neuroectodermal tumor localized Ewing's tumor localized peripheral primitive neuroectodermal tumor peripheral primitive neuroectodermal tumor