Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . There is free air under both diaphragms but decreased in size since the prior study and this is consistent with recent surgery . There are no pleural effusions or pneumothorax . Cardiomediastinal silhouette is unremarkable . The bones are intact . Clips in the left upper quadrant are seen .
    OUTPUT:
    
Decreased amount of free air under the diaphragm consistent with the recent surgery .