Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ , pulmonary edema has improved which is now mild . Bibasilar opacities , right greater than left have marginally worsened . Moderate bilateral pleural effusion are again demonstrated . Moderate cardiomegaly .
    OUTPUT:
    
Improved pulmonary edema . Worsening bibasilar opacities , likely a combination of atelectasis and effusions .