Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a right - sided chest tube . Remaining right chest tube is in unchanged position . As compared to prior examination , moderate to large right pneumothorax is unchanged , the apical and basilar hydropneumothorax components are essentially unchanged . Left lung is clear . Widespread subcutaneous emphysema is again demonstrated in the right chest wall and both supraclavicular regions .
    OUTPUT:
    
Unchanged moderate - to - large right pneumothorax .