Prospective Registration of Head and Neck Cancer

"The patient charts will be reviewed to determine pretreatment characteristics, treatment-related adverse events, time to progression and overall survival.~Behavioral: Questionnaires Completion of 3 questionnaires 1 week before treatment(radiotherapy or chemotherapy) begins or been hospitalized for surgery the same day, 1 week after the end of treatment(expected average of 8 weeks), and again 3 months after treatment. It may take about 30 minutes to complete the questionnaires each time."