Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest demonstrates unchanged monitoring and support devices . Unchanged left pneumothorax from ___ at 6 :49 a .m . Otherwise , there is no change in the severe bilateral alveolar opacities . No contralateral pneumothorax is seen .
    OUTPUT:
    
No change in left pneumothorax or bilateral opacities .