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
A person has fever and pain in thyroid gland. True statement is/are: 
Select and explain. 
A. Etiology is tubercular, B. T
3
 & T
4
 levels are normal, C. Increased ESR, D. Increased TSH
C: Increased ESR
Answer: C: Increased ESR 
Explanation: None