Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Again noted is a small right - sided pneumothorax which appears relatively stable in comparison to prior studies from the same day at 21 :19 and decreased in comparison to the prior study from the same day at 19 :24 prior to the placement of right - sided chest tube . Cardiac and mediastinal silhouettes are stable . The lungs are clear . Right - sided chest tube is in place .
    OUTPUT:
    
Stable appearance of small right apical pneumothorax with right - sided chest tube in place .