Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacer device is noted with leads terminating in the right atrium right ventricle . Mild enlargement of the heart is unchanged . Atherosclerotic calcifications are noted involving the aorta diffusely . Mediastinal and hilar contours are unchanged with previously noted right perihilar prominence appearing improved . The pulmonary vasculature is not engorged . No focal consolidation , pleural effusion or pneumothorax is present . Moderate multilevel degenerative changes are seen within the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .