Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no significant change since the previous exam . There are still severe airspace opacities bilaterally , more prominent on the left side . There is decreased left basilar atelectasis . The mediastinal and cardiac contours are unchanged . There is no pneumothorax . The tracheostomy is in adequate position and the right - sided subclavian line ends in the mid SVC .
    OUTPUT:
    
There is no significant change in the bilateral airspace opacities .