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
Sialosis refers to - 
Select and explain. 
A. Bilateral parotitis, B. Sjogren's syndrome, C. Non inflammatory parotid enlargement, D. Bilateral salivary duct ectasia
C: Non inflammatory parotid enlargement
Answer: C: Non inflammatory parotid enlargement 
Explanation: Ans. is 'c' i.e., Non inflammatory parotid enlargement Sialosis refers to symmetrical, painless, recurrent enlargement of the salivary glands.