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
Best diagnostic modality for parotid swelling is ? 
Select and explain. 
A. Enucleation, B. FNAC, C. Superficial parotidectomy, D. Excisional biopsy
B: FNAC
Answer: B: FNAC 
Explanation: Ans. is 'b' i.e., FNAC