Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is normal with mild tortuosity of the aorta . Cardiomediastinal silhouette and hilar contours are otherwise normal . Lungs are clear . Pleural surfaces are clear without effusion or pneumothorax . No overt traumatic abnormality .
    OUTPUT:
    
1 . No acute cardiopulmonary abnormality . 2 . No overt traumatic abnormality . Dedicated rib series would be more sensitive , if indicated .