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: Pathology
A 3-year-old patient reports of painless progressive bilateral facial swellings. The tentative diagnosis is 
Select and explain. 
A. Cherubism, B. Monostotic fibrous dysplasia, C. Polyostotic fibrous dysplasia, D. Central giant cell granuloma
A: Cherubism
Answer: A: Cherubism 
Explanation: None