title: Elective irradiation of the neck in patients with primary carcinoma of the head and neck.
mesh_terms: D005500:Follow-Up Studies; D006257:Head; D006258:Head and Neck Neoplasms / Q000532:radiotherapy* / Q000601:surgery; D006801:Humans; D008198:Lymph Nodes / Q000528:radiation effects*; D008207:Lymphatic Metastasis / Q000517:prevention & control*; D009062:Mouth Neoplasms / Q000532:radiotherapy*; D009303:Nasopharyngeal Neoplasms / Q000532:radiotherapy*; D009333:Neck; D037981:Neck Dissection; D009369:Neoplasms / Q000532:radiotherapy*; D010157:Palatal Neoplasms / Q000532:radiotherapy; D011879:Radiotherapy Dosage; D013997:Time Factors; D014062:Tongue Neoplasms / Q000532:radiotherapy