Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is again moderate elevation of the right hemidiaphragm . Streaky opacities , greater along the right lung base than left , are most consistent with minor atelectasis . Otherwise , the lungs appear clear .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease . Persistent elevation of the right hemidiaphragm .