Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is stable mild to moderate cardiomegaly , with interval improvement in the patient 's now mild pulmonary edema . Right middle lobe and bibasilar opacities are essentially unchanged from the prior examination , and may be consistent with multifocal infection versus atelectasis .
    OUTPUT:
    
1 . Interval improvement in now mild pulmonary edema . Stable mild to moderate cardiomegaly . 2 . Stable multifocal patchy opacities , compatible with atelectasis versus infection .