Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest provided . Left - sided chest tube has been removed . There may be a tiny left apical pneumothorax . There is new substantial subcutaneous emphysema on the left , concerning for possible air leak . Right upper lobe atelectasis continues to improve . Cardiomediastinal and hilar contours are stable . There are no large pleural effusions .
    OUTPUT:
    
1 . Probable tiny left apical pneumothorax . 2 . New substantial left subcutaneous emphysema , possibly air-leak .