Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are low with secondary widening of the cardiac silhouette . The bibasilar ( left greater than right ) opacities , likely representing atelectasis , have progressed . A right Port - A - Catheter ends at the cavoatrial junction . There is no pneumothorax and no pleural effusion .
    OUTPUT:
    
Slightly worsened left greater than right basilar opacities , likely atelectasis .