Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size remains mildly enlarged . Mediastinal and hilar contours are unchanged and within normal limits . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is present . No displaced rib fractures are seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No definite rib fractures are seen . If there is continued concern for a rib fracture , a dedicated rib series is recommended .