title: Radiation therapy in the management of lymph node metastases from head and neck cancers.
mesh_terms: D001706:Biopsy; D003036:Cobalt Isotopes; D006258:Head and Neck Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D006801:Humans; D007822:Laryngeal Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D008198:Lymph Nodes; D008207:Lymphatic Metastasis; D009062:Mouth Neoplasms / Q000401:mortality / Q000532:radiotherapy*; D009362:Neoplasm Metastasis; D010610:Pharyngeal Neoplasms / Q000401:mortality* / Q000532:radiotherapy*; D011867:Radioisotope Teletherapy; D011879:Radiotherapy Dosage; D011882:Radiotherapy, High-Energy; D012189:Retrospective Studies
chemical_list: D003036:Cobalt Isotopes