Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , left chest tube has been withdrawn slightly and projects over the medial cardiac border . Remainder of the lines and tubes are unchanged . Persistent small to moderate right pneumothorax . There is substantial subcutaneous emphysema . Bilateral rib fractures are again seen .
    OUTPUT:
    
Slight withdrawal of left chest tube compared to prior . Otherwise , no interval change .