Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker has leads in the right atrium and ventricle . There is no pneumothorax or pleural effusion . The lungs are clear . The patient had prior sternotomy for CABG and mitral valve repair . Bilateral rib fractures are healed with adjacent pleural thickening .
    OUTPUT:
    
New left - sided pacemaker is in adequate position with leads in the right atrium and ventricle . There is no complication .