Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC is unchanged terminating in the region of the cavoatrial junction . No pneumothorax . Extensive bilateral airspace opacities appear stable on the left and slightly worse in the right upper lobe . No large pleural effusion . Mediastinal contours and cardiac silhouette are stable . Lung volumes are low with bibasilar atelectasis .
    OUTPUT:
    
Extensive bilateral airspace opacities stable on the left and worse in the right upper lobe .