Sarcoma of nerve sheath of head and neck.
D000293:Adolescent; D002648:Child; D003131:Combined Modality Therapy; D005260:Female; D005354:Fibrosarcoma / Q000473:pathology* / Q000628:therapy; D006258:Head and Neck Neoplasms / Q000473:pathology* / Q000628:therapy; D006801:Humans; D009364:Neoplasm Recurrence, Local / Q000473:pathology*; D010524:Peripheral Nervous System Neoplasms / Q000473:pathology* / Q000628:therapy