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
Surgical treatment of parotid tumor involving the deep lobe is 
Select and explain. 
A. Total parotidectomy with facial nerve preservation, B. Total parotidectomy with facial nerve sacrifise, C. Sub total parotidectomy, D. Subtotal parotidectomy with facial nerve sacrifice
A: Total parotidectomy with facial nerve preservation
Answer: A: Total parotidectomy with facial nerve preservation 
Explanation: Answer- A. Total parotidectomy with facial nerve preservationThe primary treatment of salivary malignancies is surgical excision.For parotid tumors that arise in the lateral lobe, superficial parotidectomy with preservation of CN VII is indicated