Patient with histologically confirmed oral cavity and oropharyngeal carcinoma on the left. On CT, the tumor extends from the entrance to the nasopharynx to the hypopharyngeal junction. Laterally, per-continuitatem growth, at least in the sonography mandibular infiltration not described. Preoperative vascular evaluation shows infiltration of the externa in the upper area. In the lower area 2 to 3 free outlets.