Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior examinations , there is better expansion of the lung fields with redemonstration of a small left - sided effusion , but with improving bibasilar atelectasis . There has been interval removal of a right internal jugular central venous catheter . There is no pneumothorax .
    OUTPUT:
    
Improvement of left pleural effusion and bibasilar atelectasis .