Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest again show some post-operative change in the right perihilar region , not significantly different compared to images from four days earlier . Small right apical pneumothorax , seen at that time , however , is no longer evident . Some linear atelectasis at the right middle lobe abuts the left hemidiaphragm and may be symptomatic . A small amount of blunting of the CP angle seen on the ___ film has also resolved . Heart and mediastinal contours and bony structures with S - shaped scoliosis are unchanged .
    OUTPUT:
    
Interval resolution in post-operative changes in the right hemithorax with no new or worsening findings to account for symptoms .