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 . Bilateral nipple shadows are visualized but the lung fields appear otherwise clear . There are no pleural effusions or pneumothorax . The stomach is mildly distended . There is no free air . Bony structures are unremarkable .
    OUTPUT:
    
No evidence of acute disease . Mild gastric distension .