Patients with head and neck cancer (HNC) are immobilized with a thermoplastic mask to ensure accurate radiotherapy (RT) delivery and avoid surrounding structures. The immobilization process requires fitting a mask firmly to secure the patient to the treatment couch. Use of the mask often engenders the patients anxiety to an extent which is not only distressing for the patient but also affects the departments operations through disruption of treatment, longer waiting times for other patients and distress of staff. At times, it may be necessary to suspend a treatment procedure after a period of time or, in some cases, this form of intervention is not successful and other strategies may be required, such as a referral to psycho-oncology to manage the level of anxiety