Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An enteric tube is in unchanged position with the tip in the stomach . A right internal jugular central venous catheter is unchanged with the tip in the mid SVC . Again , there is bibasilar atelectasis , greater on the left than the right . No new opacities identified . There is no definite pleural effusion . There is no pneumothorax . The pneumatocele at the right base is unchanged . The mediastinal contours are normal in size . The heart size is at the upper limits of normal . Again , there is a small amount of pneumomediastinum , though it appears to have decreased since the prior exam .
    OUTPUT:
    
1 . Interval decrease in the amount of pneumomediastinum . 2 . Unchanged bibasilar atelectasis .