Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The lungs are hyperinflated with minimal atelectasis in the lung bases . No focal consolidation , pleural effusion or pneumothorax is demonstrated . No acute osseous abnormality is seen including no rib fractures .
    OUTPUT:
    
Mild bibasilar atelectasis . No rib fractures identified .