Inclusion Criteria:  Age ≥ 18 years at time of study entry. T4 oral cavity tumor with mandible invasion, requiring segmental mandibulectomy. Reconstruction with free fibula flap not feasible because of any or a combination of the following reasons:  oCT angiography of the legs and/or the neck shows severe stenosis of the ves-sels.  Previous medical history of severe atherosclerotic disease.  General health condition necessitating a shorter operation time.  Cases will be discussed in the multidisciplinary tumor board that they are eligible for composite resection but not eligible for free fibula flap. Written informed consent.  Exclusion Criteria:  Patients who are eligible for free fibula flap. Pregnancy. General health condition does not allow surgery History of psychiatric disability judged by the investigator to potentially hamper compliance with the study protocol and follow-up schedule. Any psychological, familial, sociological or geographical condition potentially hampering compliance with the study protocol and follow-up schedule.