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: Radiology
Radio iodine is used in treatment of 
Select and explain. 
A. Papillary CA thyroid, B. Medullary CA thyroid, C. Follicular CA thyroid, D. Anaplastic CA thyroid
C: Follicular CA thyroid
Answer: C: Follicular CA thyroid 
Explanation: C i.e. Follicular Cell CA