Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette appears within normal limits . Postsurgical changes related to prior esophagectomy and gastric pull - through are present . There is blunting of the bilateral costophrenic angles , likely secondary to small pleural effusions . There is associated bibasilar atelectasis . There is a known right lower lobe hydropneumothorax , better appreciated on the lateral view .
    OUTPUT:
    
1 . Right lower lobe hydropneumothorax . 2 . Small bilateral pleural effusions .