Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unchanged . Pulmonary vasculature is not engorged . Lungs are clear . No pleural effusion or pneumothorax is identified . No subdiaphragmatic free air is seen . Cholecystectomy clips are noted in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No subdiaphragmatic free air .