Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated but clear . The cardiomediastinal silhouette and hilar contours are normal . There are unchanged bilateral pleural or extrapleural opacities laterally , which may reflect benign pleural thickening or increased extrapleural fat . There is no pleural effusion or pneumothorax . Degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process .