Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of chest tube . There is a tiny area of loculated pneumothorax at the right lung base . Again seen is bibasilar atelectasis . Retrocardiac opacity secondary to atelectatic changes and appears stable compared to prior chest film from ___ . The lungs are clear without focal consolidation . The cardiac and mediastinal silhouettes are unremarkable .
    OUTPUT:
    
There is a small residual pneumothorax .