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 patient with fibrous dysplasia can be treated by 
Select and explain. 
A. Surgical excision, B. Removal of adjacent teeth, C. Irradiation of the Lesion, D. Conservative surgery
D: Conservative surgery
Answer: D: Conservative surgery 
Explanation: None