Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is upper limits of normal in size . The hilar and mediastinal contours are normal . No focal consolidations concerning for pneumonia are identified . Note is made of interval increase in elevation of the right hemidiaphragm , of indeterminate etiology . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Slightly elevated right hemidiaphragm of uncertain clinical significance . No focal airspace consolidation to suggest pneumonia .