Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is no significant change in the severe widespread bilateral alveolar opacities . The endotracheal tube and left - sided subclavian line are unchanged . Mediastinal and cardiac contour are stable . There is no visible pneumothorax . The NG tube is in adequate position .
    OUTPUT:
    
There is no significant change since the previous exam . There are severe widespread bilateral air - space opacities .