Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval decrease in lung volumes with new mild bibasilar atelectasis . Increased retrocardiac opacity from atelectasis and possibly new evolving pneumonia . New small bilateral pleural effusions with mild vascular engorgement from mild interstitial edema . Mildly enlarged heart size is accentuated by lung volumes . Normal mediastinal and hilar contour . Stable moderate sized hiatal hernia .
    OUTPUT:
    
1 . Possible early pneumonia in left lower lobe . Please correlate clinically . 2 . New mild interstitial edema with new small bilateral pleural effusions . 3 . New mild bibasilar atelectasis . Results were conveyed via telephone by Dr .___ ___ to Dr . ___ on ___ at 12 :30 pm within 15 minutes of observation of findings .