Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . There is a right - sided pneumothorax again seen , which is stable to possibly minimally increased . Right - sided pleural tube is relatively stable in position and possibly minimally withdrawn in the interval . There is persistent right - sided pleural thickening and right chest wall subcutaneous emphysema . The left lung is clear . Cardiac and mediastinal silhouettes are stable . There is persistent right upper lung patchy opacity .
    OUTPUT:
    
Persistent right - sided pneumothorax which may be minimally increased as compared to the prior study .