Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior , there has been interval placement of right - sided pleural catheter with subsequent reduction in the size of the moderate to large right pleural effusion . There is loculated pneumothorax over the right lung base laterally . Some opacity at the right lung base medially could represent combination of residual fluid and / or atelectasis . Left lung is grossly clear . Left chest wall port is in place . Cardiomediastinal silhouette is within normal limits . Surgical clips project over the right axilla .
    OUTPUT:
    
Decrease in size of right pleural effusion with pigtail catheter in place . Small pneumothorax at the right lung base laterally .