Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . There is a small consolidation in the right middle lobe , likely secondary to atelectasis . There is no pleural effusion or pneumothorax . The visualized osseous structures are unremarkable . Note is made of chronic elevation of the right hemidiaphragm .
    OUTPUT:
    
1 . Right middle lobe atelectasis . 2 . In the context patient 's symptoms , this study does not suggest , or exclude the possibility of a pulmonary embolism . 3 . Chronic elevation of the right hemidiaphragm .