Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As on prior , there is moderate pulmonary edema . Relatively linear left base opacities could be due to edema or atelectasis . There is enlargement of the cardiac silhouette which is unchanged . There is no pleural effusion . No acute osseous abnormalities . Vascular stent projects over the right subclavian region .
    OUTPUT:
    
Moderate pulmonary edema . Left base opacities potentially asymmetric edema or atelectasis . Developing infection is difficult to exclude .