H&N Cancer; Survivorship and Late Effects

A cross-sectional study on late effects after modern treatment in long-term survivors of head and neck cancer (HNC). Participants fill in questionnaires and participate at a one day visit at the hospital including blood sample with biomarkers, clinical examination, audiometry, oral radiological examination and oral examination. Data on patients' medical history collected from medical records including radiology images and digital radiotherapy plans.This will allow adjustments of treatment planning and improved treatment decisions for patients at risk, and improve information and follow up for future patients.