Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . Mediastinal and hilar contours are within normal limits . Pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is identified . No acute fractures are demonstrated . Cholecystectomy clips are present in the right upper quadrant .
    OUTPUT:
    
No acute cardiopulmonary abnormality .