Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top - normal . The hilar and mediastinal contours are normal . Mild streaks of atelectasis are seen at the base of the right lung and there is mild elevation of the right hemidiaphragm . Otherwise , the lungs are well expanded and clear . There are no pleural effusions or pneumothorax . The osseous structures are unremarkable .
    OUTPUT:
    
Atelectatic changes at the base of the right lung with mild elevation of the right hemidiaphragm in an otherwise unremarkable examination .