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
A patient is having Mitral stenosis. His x-ray will show all of the following finding except 
Select and explain. 
A. Lifting up of left bronchus, B. Double atrial shadow, C. Obliteration of retrosternal shadow on lateral x-rays, D. Posterior displacement of esophagus on barium swallow
C: Obliteration of retrosternal shadow on lateral x-rays
Answer: C: Obliteration of retrosternal shadow on lateral x-rays 
Explanation: C i.e. Obliteration of retrosternal shadow on lateral X Ray