Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval removal of a left chest tube with considerable amount of subcutaneous gas adjacent to the left lung . A new platelike atelectasis has developed in the right and left mid lung field , and there is continued atelectasis of the right middle lobe . Linear lucency surrounding the aortic arch and small left apical lucency represent small left pneumothorax .
    OUTPUT:
    
Removal of left chest tube with small amount of left pleural gas .