The N0 neck in head and neck cancer patients.
D003131:Combined Modality Therapy; D006258:Head and Neck Neoplasms / Q000473:pathology / Q000628:therapy*; D006801:Humans; D008197:Lymph Node Excision; D008198:Lymph Nodes / Q000473:pathology; D008207:Lymphatic Metastasis; D009333:Neck; D009367:Neoplasm Staging