Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are low lung volumes . The heart size is stably borderline enlarged . The mediastinal and hilar contours are unremarkable . The pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is present . Cholecystectomy clips are seen in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .