Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes persist . The cardiac , mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vasculature is normal . No pleural effusion or pneumothorax is present . Cholecystectomy clips are demonstrated in the right upper quadrant of the abdomen . No other radiopaque foreign bodies are seen . No free air is seen under the diaphragms .
    OUTPUT:
    
No acute cardiopulmonary abnormality . No radiopaque foreign body identified and no free intraperitoneal air identified .