Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device with leads terminating in the right atrium and right ventricle is re - demonstrated , unchanged . Heart size remains mildly enlarged . The mediastinal and hilar contours are similar . No pulmonary vascular congestion is present . Minimal atelectasis is noted in the right lung base . No new focal consolidation , pleural effusion or pneumothorax is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .