Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube , Dobbhoff tube and left internal jugular catheter unchanged in satisfactory position . Very low lung volumes appear to be chronic dating back to ___ . Bibasilar atelectasis worse on the left than the right , is not significantly changed from 2 days ago . The cardiomediastinal silhouette , accentuated by low lung volumes , is unchanged from ___ . No pleural effusion or pneumothorax .
    OUTPUT:
    
Bibasilar atelectasis , left worse than right , not significantly changed from ___ with no pneumonia .