Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device is noted with leads terminating in the right atrium and right ventricle . Mild to moderate enlargement of cardiac silhouette is re - demonstrated . The mediastinal and hilar contours are unremarkable . Pulmonary vasculature is not engorged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is present . There are no acute osseous abnormalities detected .
    OUTPUT:
    
No acute cardiopulmonary abnormality .