Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph , there has been progression of bilateral diffuse patchy opacities , most marked in the left peripheral mid and lower lung zones . Given the rapid progression , this is most consistent with new edema . Alternatively , could be due to infection , a toxic or allergic drug reaction or hemorrhage . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is normal . The heart size is stable . Surgical clips are noted in the right upper abdomen .
    OUTPUT:
    
Increasing bilateral diffuse opacities most concerning for new edema . Alternatively , could be due to infection , a toxic or allergic drug reaction or hemorrhage . Results were discussed with Dr . ___ ___ resident ) at 10 :45 a .m . on ___ via telephone by Dr . ___ ___ minutes after the findings were discovered .