Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is no pleural effusion or pneumothorax . There is again moderate relative elevation of the left hemidiaphragm . Streaky associated opacities are most likely due to associated atelectasis .
    OUTPUT:
    
Persistent elevation of the left hemidiaphragm with patchy opacities probably due to atelectasis . No definite evidence of acute disease .