Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The postoperative appearance of the lung following left lower lobectomy is stable . The left - sided chest tube has been removed . Elevation of the left hemidiaphragm with associated left basilar subsegmental atelectasis is unchanged . Left chest wall subcutaneous emphysema has slightly improved . Heart size is normal . There is no appreciable pneumothorax .
    OUTPUT:
    
No appreciable pneumothorax following left chest tube removal .