Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours appear stable . The heart is normal in size . There is no pleural effusion or pneumothorax . The lungs appear clear . The patient is status post anterior cervical fusion . Surgical clips project over the left upper quadrant . There has been no significant change .
    OUTPUT:
    
No evidence of acute cardiopulmonary disease .