Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is again seen a left - sided chest tube in stable position . There has been interval redevelopment of left apical pneumothorax , which is also appreciated on lateral view . This now measures 2 .1 cm from lung apex to apical chest wall . There is stable subcutaneous emphysema along the left supraclavicular area , as well as lateral to the left chest wall . Also seen and best appreciated on lateral view is a small amount of free intraperitoneal air , seen as a crescent shaped lucency in the anterior abdomen projecting under the right hemidiaphragm . After discussion with surgical team , this is consistent with recent surgical procedure .
    OUTPUT:
    
1 . Redevelopment of left apical pneumothorax with chest tube on water seal . 2 . Small amount of free intraperitoneal air consistent with recent surgery . No other significant interval changes in chest x-ray .