Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . There is similar moderate relative elevation of the right hemidiaphragm . Patchy right lower lobe opacities probably due to atelectasis associated with elevation of the right hemidiaphragm and appear only mildly increased . There is no definite pleural effusion or pneumothorax .
    OUTPUT:
    
No definite evidence of acute cardiopulmonary disease .