Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette and hilar contours are unremarkable . The lungs are clear . The pleural surfaces are clear without effusion or pneumothorax . No overt traumatic findings .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No overt traumatic findings . If there is focality to examination , dedicated rib series may be helpful .