This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
Patey's operation is: 
Select and explain. 
A. Superficial parotidectomy., B. Total parotidectomy., C. Deep parotidectomy., D. All of the above.
A: Superficial parotidectomy.
Answer: A: Superficial parotidectomy. 
Explanation: Patey's operation is the treatment of choice for Pleomorphic adenoma.