title: Stage IV head and neck cancer: a follow-up.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D005500:Follow-Up Studies; D006258:Head and Neck Neoplasms / Q000601:surgery / Q000628:therapy*; D006801:Humans; D007167:Immunotherapy; D008297:Male; D008875:Middle Aged; D009367:Neoplasm Staging