Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is normal in size . The mediastinal and hilar contours appear within normal limits . There is no pleural effusion or pneumothorax . The lungs appear clear . Enteric contrast is noted along the visualized splenic flexure of the colon . There is no free air . Cholecystectomy clips project along the right upper quadrant . Bony structures are unremarkable .
    OUTPUT:
    
No evidence for free air , pneumomediastinum or other acute abnormality .