N	Concordance
1	estigated. In 42 patients with head and neck cancer, postoperative radiation tre
2	n advances in the treatment of head and neck cancer, the survival rate fails to 
3	ta on neck control in advanced head and neck cancer. The purpose of this study i
4	n schedules in radiotherapy of head and neck cancer. The available results in te
5	rtunity to treat patients with head and neck cancers is the most  effective, alt
6	investigation of patients with head and neck cancers, investigators demonstrate
7	nite role in the management of head and neck cancers, especially in combination 
8	 methotrexate is used to treat head and neck cancers, which often overexpress cy