1. Diagnosis of any of the following cancers: stage 1-4b (includes 4a) oropharyngeal, hypopharyngeal, nasopharyngeal, salivary gland or oral cavity; stage 3-4b (includes 4a) laryngeal; any unknown primary head and neck cancer with cervical metastasis that will be addressed with treatment to bilateral necks and mucosa; any thyroid cancer that will be addressed with treatment to the bilateral necks; or other head and neck cancers medically approved by one of our Radiation Oncology collaborating MDs