Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD / pacemaker device is re - demonstrated with leads terminating in the right atrium and right ventricle . Mild enlargement of the cardiac silhouette is again visualized . The mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is visualized . No acute osseous abnormality is identified
    OUTPUT:
    
No acute cardiopulmonary abnormality .