Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Bibasilar subsegmental atelectasis is slightly more prominent on today 's exam . Mild pulmonary edema is essentially unchanged . There is no pneumothorax . There is stable cardiomegaly despite the projection .
    OUTPUT:
    
Unchanged mild pulmonary edema . Slightly increased bibasilar subsegmental atelectasis . Stable cardiomegaly .