The patient has a histologically confirmed cT2 cN1 oropharyngeal carcinoma on the right side. In the area of the right oropharyngeal side wall with spread to the base of the tongue and tumor infiltration up to the anterior palatal arch. The B-image sonographic examination shows a lymph node metastasis in region II on the right side with relatively close contact to the tumor. Based on the findings, the indication for enoral tumor resection and bilateral neck dissection was concluded. The patient was informed preoperatively and had sufficient time to ask questions.