Patients with head and neck cancer requiring definitive or adjuvant radio(chemo)therapy can take part in the study. The aim is to record the nutritional status and diet of the patients during the trial and regularly at a period of 8 weeks after irradiation and to reduce the rate of weight loss and malnutrition.
Patients with squamous cell carcinoma in the head and neck region, who receive a postsurgical or definitive radio(chemo)therapy
Patients who have a smartphone on which the Emento app can be installed
Minimum age 18 years
Patients who are represented by a legal guardian
Patients who are not suitable for participation in the study due to a language barrier