Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable view of the chest . Endotracheal , enteric , and chest tubes are no longer seen . Right IJ central line is unchanged . Low lung volumes seen on the current exam . The lungs however are grossly clear . There is no visualized pneumothorax . Postoperative changes of median sternotomy again noted .
    OUTPUT:
    
Interval removal of the bilateral chest tubes . No visualized pneumothorax .