Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new pleural drain at the left base , the other chest tubes are all unchanged . The other two left pleural drain are at the base and and in the major fissure respectively . The latter might not be working , being in the fissur . The right pigtail is projected against the right apex and is unchanged . Left substantial pneumothorax persists , even positioning of new chest tube . Chest CT is recommended for rule out air leakage . Right PICC and left arterial subclavian line are unchanged since prior chest x-ray . The extensive subcutaneous emphysema of the chest wall and neck is stable . Small pneumomediastinum is unchanged . Heart size is normal . The right infrahilar opacification is unchanged , there is no pleural effusion . Mild vascular congestion .
    OUTPUT:
    
After positioning of new left base chest tubes , persistent small left base pneumothorax . CT is recommended for rule out air leakage Findings were discussed with Dr ___ by Dr ___ at 1 .___ pm .