Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are within normal limits . The pulmonary vasculature is not engorged . Pleuro - parenchymal scarring is noted within the lung apices . No focal consolidation , pleural effusion or pneumothorax is seen . Moderate multilevel degenerative changes are noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .