Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from earlier today , interval thoracentesis with significant decrease an left - sided effusion which is now small to moderate . No pneumothorax . Very low lung volumes with increasing bibasilar opacities likely atelectasis . Small right sided effusion . Right - sided port terminates near the cavoatrial junction .
    OUTPUT:
    
No pneumothorax , interval decrease and left - sided pleural effusion .