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
Diagnosis of aoic calcification is done by fluoroscopy by seeing: 
Select and explain. 
A. Side to side movement, B. Up and down movement, C. Combined movement, D. None
A: Side to side movement
Answer: A: Side to side movement 
Explanation: Ans. Side to side movement