Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear of airspace or interstitial opacity . The cardiomediastinal silhouette is unremarkable . No pleural effusions or pneumothorax . The patient has had prior surgery of the lower cervical and upper lumbar spine with plate and screws incompletely visualized .
    OUTPUT:
    
No acute intrapulmonary process on chest radiograph .