Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The aorta is mildly unfolded . Mediastinal and hilar contours are unremarkable , and there is no pulmonary vascular congestion . Lungs are clear . No pleural effusion or pneumothorax is present . No acute osseous abnormalities are seen . No displaced rib fractures are noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No displaced fractures are seen , though if there is continued clinical concern for a rib fracture , then a dedicated rib series is recommended .