Synovial sarcomas of the neck.
D000293:Adolescent; D000328:Adult; D002648:Child; D005260:Female; D006258:Head and Neck Neoplasms / Q000601:surgery*; D006801:Humans; D008297:Male; D013584:Sarcoma, Synovial / Q000473:pathology / Q000601:surgery*