Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left pectoral pacemaker has leads terminating in the right atrium and right ventricle . The lungs are clear without focal consolidation , pleural effusion or pneumothorax . The heart is not enlarged . The mediastinal and hilar contours are normal .
    OUTPUT:
    
No acute cardiopulmonary abnormality .