Predictive and Impact of Pain After 6 Months of Radiotherapy, in Head and Neck Cancer

Inclusion Criteria: * Patients with a first Head and neck cancer whose therapeutic sequence involves radiotherapy * Patient over 18 years of age * Having given written consent * patient not previously treated with radiotherapy * Life expectancy \> 3 months * World Health Organization (WHO) score \< 3 * Histologically proven Head and Neck cancer * Stable patient, with no signs of recurrence or other progressive neoplasia at the time of the examination * Patient treated with radiotherapy * Patient fluent in French Exclusion Criteria: * Non-consenting patient * History of malignancy, other than treated and cured basal cell or cervical cancer * Patient who has had a salvage surgery other than lymph node removal * Patient with evidence of recurrence or other progressive neoplasia at the time of examination * Patient who has had previous mutilating surgery (causing sequelae of swallowing and eating) * Uncontrolled infectious pathology * Patient under 18 years of age * Patient who is not fluent in French * Patient with a psychiatric pathology that could disrupt the study or prevent the interpretation of the results.