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
Geographic tongue, all are true except: 
Select and explain. 
A. Lesions may be Bilaterally symmetrical on tongue, B. No treatment is required, C. Is a Precancerous condition, D. May be related to emotional stress
C: Is a Precancerous condition
Answer: C: Is a Precancerous condition 
Explanation: None