Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared with prior radiographs performed on same day on ___ at 02 : 17 , there has been interval placement of bilateral chest tubes , with decrease in bilateral pleural effusions and increased aeration of the bilateral lungs . An ET tube terminates approximately 4 .5 cm above the carina . An NG tube passes below the level of the diaphragm and into the stomach . Again seen is pneumomediastinum , and subcutaneous air in the neck and lateral chest wall . There is no focal consolidation or pneumothorax .
    OUTPUT:
    
1 . Appropriate positioning of the ET tube , NG and bilateral chest tubes , with decreased bilateral effusions . 2 . Persistent pneumomediastinum and subcutaneous air .