Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An OG tube is better visualized on the current study , coursing through the stomach . ETT is in standard position . Since the most recent prior study , there may be slight improvement in the heterogeneous opacities at the lung bases , which is more consistent with resolving edema rather than aspiration . There is no evidence for pneumonia .
    OUTPUT:
    
1 . OG tube in standard position . 2 . Improving bibasilar opacities , most consistent with resolving edema .