Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior exam , lung volumes have decreased . The large right pneumothorax appears to have increased in size with focal decreased aeration of the lung what particular and right lower lobe with the pigtail catheter clamped . Otherwise , no significant interval change . No left pneumothorax or effusion .
    OUTPUT:
    
Interval increase in right large pneumothorax with increased atelectasis of residual lung with the pigtail catheter clamped in the interim .