Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . Mediastinal and hilar contours are unchanged . Mild atherosclerotic calcifications are noted at the aortic arch . Pulmonary vasculature is normal . Elevation of the right hemidiaphragm is chronic . The right costophrenic angle remains blunted , also unchanged . Surgical chain sutures are noted within the right lower lobe . No focal consolidation , pleural effusion or pneumothorax is present . Multilevel degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .