Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously seen right - sided chest pigtail catheter is no longer seen . Small to moderate right pneumothorax persists , difficult to accurately assess change in size given lack of recent lateral view however , there is concern that it may be slightly increased in size . Right basilar opacities again seen likely due to atelectasis . There is persistent blunting of the left costophrenic angle likely due to small left pleural effusion . Bibasilar opacities are again seen suggestive of atelectasis . Bilateral calcified pleural plaques for better assessed on the prior chest CT from ___ cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Left pigtail lower right chest catheter no longer seen . Persistent right pneumothorax which may be slightly larger , difficult to truly discern change due to lack of lateral view on recent priors . The ED is aware of right pneumothorax as of 11 AM on ___ .