Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is top normal . The mediastinal and hilar contours are within normal limits . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is present . Degenerative changes of both acromioclavicular joints are present . Anterior cervical spinal fusion hardware is noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .