Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a right chest pigtail catheter with interval significant decrease in right - sided pneumothorax with possible only sliver remaining . There has been re-expansion of the right lung of previously seen atelectasis has essentially resolved . The left lung is clear . No pleural effusion or pneumothorax is seen . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
Interval placement of right chest pigtail catheter with re-expansion of the right lung with minimal to no right pneumothorax currently seen .