Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac , mediastinal and hilar contours are within normal limits . Lungs are hyperinflated . No focal consolidation , pleural effusion or pneumothorax is present . Pulmonary vasculature is not engorged . Moderate degenerative changes are noted in the lower thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .