Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph performed several hours earlier , there has been interval development of a diffuse scattered opacities in both lungs . These are much more prominent at the lung bases , particularly the right side . No changes in the position of the support tubes / devices .
    OUTPUT:
    
1 . Rapid development of new diffuse opacities , concerning for pulmonary edema versus ARDS . 2 . Bibasilar opacities likely due to pleural effusion with adjacent atelectasis , but can not exclude persistent right lower lobe collapse .