Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left subclavian line ends in the upper atrium . There is no pneumothorax , pneumomediastinum or subcutaneous air . Residual left basilar chest tube is stable . Bilateral moderate layering pleural effusions with bibasilar atelectasis are unchanged .
    OUTPUT:
    
There is no significant change since previous exam with moderate pleural effusions and bibasilar atelectasis . There is no pneumothorax .