Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Duo lead permanent pacemaker has been placed via left subclavian approach , with leads terminating in the right atrium and right ventricle . There is no pneumothorax . Heart size is normal . . Lungs are clear . There are possible very small bilateral pleural effusions .
    OUTPUT:
    
Duo lead pacemaker in standard position with no evidence of pneumothorax .