has material basis in germline mutation in EWSR1 hereditary disease sarcoma Ewing sarcoma https://github.com/monarch-initiative/mondo/issues/4521 https://www.malacards.org/card/ewing_sarcoma localised Ewing's sarcoma GARD:0006390 NANDO:2200053 localised Ewing's tumour EFO:0000174 Ewing tumor icd11.foundation:458106328 OMIM:612219 Ewing tumour DOID:3369 Ewings sarcoma-primitive neuroectodermal tumour ES Ewing's tumour peripheral primitive neuroectodermal tumour Ewing's sarcoma/peripheral primitive neuroectodermal tumour Ewing's sarcoma Ewing's tumor A small round cell tumor that lacks morphologic, immunohistochemical, and electron microscopic evidence of neuroectodermal differentiation. It represents one of the two ends of the spectrum called Ewing sarcoma/peripheral neuroectodermal tumor. It affects mostly males under age 20, and it can occur in soft tissue or bone. Pain and the presence of a mass are the most common clinical symptoms. localised Ewing sarcoma MEDGEN:107816 MONDO:0012817 Ewing sarcoma ONCOTREE:ES MESH:D012512 Ewing's family localised tumour localised Ewing's sarcoma/peripheral primitive neuroectodermal tumour sarcoma, Ewing's ICDO:9260/3 MedDRA:10015560 UMLS:C0553580 Orphanet:319 localised peripheral primitive neuroectodermal tumour NCIT:C4817 Ewing sarcoma/peripheral primitive neuroectodermal tumor