Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly improved bibasilar atelectasis . Lungs again appear hyperinflated suggestive of COPD . No definite focal consolidation . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unchanged .
    OUTPUT:
    
Mildly improved bibasilar atelectasis . No acute cardiopulmonary process .