Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to ___ improved aeration of at least the right middle lobe . The right lower lobe still has substantial volume loss . Mild Pulmonary edema has slightly improved and remains mild . Bilateral pleural effusions remain moderate .
    OUTPUT:
    
Improved aeration of at least the right middle lobe . The right lower lobe still has substantial volume loss . Mild Pulmonary edema has slightly improved and remains mild . Bilateral pleural effusions remain moderate .