This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oral cavity, Subject name: Surgery
Which of the following is not a complication of oropharyngeal resection? 
Select and explain. 
A. Xerostomia, B. Thoracic duct injury, C. Soft-tissue oedema, D. Rupture of carotid aery
A: Xerostomia
Answer: A: Xerostomia 
Explanation: Xerostomia is dryness of the mouth associated with radiotherapy to the head and neck that involved the salivary glands.