Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD / pacemaker device has a single lead which terminates in the right ventricle , unchanged . Mild enlargement of cardiac silhouette size is stable . The mediastinal and hilar contours are normal . Pulmonary vascularity is normal . No pleural effusion , focal consolidation or pneumothorax is identified . No acute osseous abnormalities are present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .