 - Histologically proven diagnosis of squamous cell carcinoma stage III - IV of the nasopharynx, oropharynx, oral cavity, paranasal sinuses, larynx, hypopharynx; the tumor must be human papillomavirus HPV negative or the patient should have a greater than 10 packs year smoking history; OR need for post-operative concurrent chemoradiotherapy extracapsular extension, positive surgical margin, more than 1 lymph node positive, stage III - IV disease, perineural invasion, vascular tumor embolus for histologically proven squamous cell carcinoma of the paranasal sinuses, nasopharynx, larynx, hypopharynx, with extension to structures of the oropharynx 