Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval removal of left subclavian vascular catheter with no visible pneumothorax . Cardiomediastinal contours are stable in appearance , and bibasilar opacities have partially improved , with residual opacities , worse on the left than the right . Upper lobe predominant emphysema is present . Small bilateral pleural effusions are present , left greater than right .
    OUTPUT:
    
Improving bibasilar opacities , likely due to atelectasis , with adjacent small pleural effusions .