Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from earlier today , right apical pneumothorax has decreased and is now small . No evidence of tension . Right chest wall subcutaneous emphysema has substantially increased . Right - sided chest tube in similar position and new right - sided pigtail catheter . Stable opacity in the right lung and left lower lobe .
    OUTPUT:
    
Interval decrease in right apical pneumothorax which is now small . Substantial increase in right chest wall subcutaneous emphysema .