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
Characteristic radiographic appearance of aoitis is: 
Select and explain. 
A. Calcification of ascending aoa, B. Calcification of desecending aoa, C. Dilation of arch of aoa, D. Enlargement of left atrium
A: Calcification of ascending aoa
Answer: A: Calcification of ascending aoa 
Explanation: Ans. Calcification of ascending aoa