Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal and hilar contours are normal . The lung volumes are low , but no focal consolidation , pleural effusion , or pneumothorax is seen . Bibasilar opacities suggestive of atelectasis are noted .
    OUTPUT:
    
No acute cardiopulmonary pathology , especially no pneumothorax .