disease has location orbital cancer orbit sarcoma MONDO:0004943 MEDGEN:277449 SCTID:699354006 UMLS:C1335131 DOID:9987 sarcoma of orbit A malignant soft tissue neoplasm that arises from the structures of the orbit. The majority of the cases are rhabdomyosarcomas. sarcoma of orbit of skull NCIT:C6095 orbit of skull sarcoma sarcoma of the orbit orbital sarcoma GARD:0024134 sarcoma orbit of skull