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
The syndrome of geographic tongue should be treated by 
Select and explain. 
A. Excision of the lesion, B. Penicillin therapy, C. Topical application of Nystatin, D. Routine observation at recall time
D: Routine observation at recall time
Answer: D: Routine observation at recall time 
Explanation: None