Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker is noted with leads terminating in expected positions of the right atrium and right ventricle . There are small bilateral pleural effusions . There is no pneumothorax . The lungs are otherwise clear . The cardiac , mediastinal and hilar contours are stable .
    OUTPUT:
    
1 . No pneumothorax . 2 . Left - sided pacemaker is in adequate position .