Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The left - sided pigtail catheters been replaced with a larger chest tube . There is a moderate left pneumothorax . This is similar in size compared to the study from the prior day . There continues to be volume loss / infiltrate in the left lower lobe . The right lung is clear . The left mainstem bronchus stent is again visualized
    OUTPUT:
    
Change in chest tube but no change in the appearance of the lungs are pneumothorax