Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of a lower right chest pigtail catheter with evidence of some decrease in the right pleural effusion . Small right and moderate left bilateral pleural effusions persist . There is bibasilar atelectasis . Nodular opacity projects over the lateral left mid lung could relate to a pleural effusion and atelectasis although is not well characterized on this study . Cardiac and mediastinal silhouettes are stable . No definite pneumothorax is demonstrated .
    OUTPUT:
    
Placement of lower right chest pigtail catheter with some decrease in size of right pleural effusion . Moderate left pleural effusion persists . Nodular lateral left mid lung opacity could represent combination of loculated pleural fluid and atelectasis , but is not well characterized on this study .