Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The aorta is mildly tortuous and demonstrates calcifications of the aortic knob . The pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is identified . No displaced rib fractures are seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No displaced rib fractures are identified . If there is continued clinical concern for rib fracture , then a dedicated rib series is recommended .