Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are within normal limits . A right - sided pacemaker generator pack and leads projecting into the right atrium and ventricle are unchanged in configuration . There is no pneumothorax , focal consolidation , or pleural effusion .
    OUTPUT:
    
No acute intrathoracic process . Unchanged configuration of a right - sided pacemaker .