Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a left - sided chest tube . Left PICC terminates at the cavoatrial junction . EKG leads overlie the anterior chest wall . The lung volumes remain low with interval improvement in bibasilar patchy opacities . Persistent but improving left - sided subcutaneous emphysema . No large pneumothorax present . Likely small left pleural effusion . Bony thorax is unchanged .
    OUTPUT:
    
Interval removal of left - sided chest tube with no large pneumothorax , a small left pleural effusion . Low lung volumes with improving bibasilar atelectasis and improving left subcutaneous emphysema .