This Protocol Focuses on the Factors That Influence Survival, the Development of Complications and the Quality of Life Based on the Treatment Received in the Group of Patients Suffering From Malignant Lesions of the Head and Neck

This protocol focuses on a retrospective, single-center analysis, analyzing the factors that influence survival as the main objective, and secondarily the development of complications and the quality of life based on the treatment received in the group of patients suffering from malignant lesions of the head and neck.