Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been no significant change . A left - sided pectoral pacemaker is in adequate position with its leads terminating in the right atrium and right ventricle , expected locations . The lungs are well - expanded . There is no focal consolidation , pleural effusion or pneumothorax . The cardiomediastinal and hilar contours are within normal limits . There is moderate tortuosity of the aorta .
    OUTPUT:
    
No acute intrathoracic process .