Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable single frontal chest radiograph was performed with the patient in semi-upright position . An area of increased opacity is present in the right upper lobe . Previous right mid lung lucencies are less prominent and less concerning for cavitary pneumonia . There are bilateral small pleural effusions with associated compressive atelectasis . Moderate pulmonary edema primarily in the lung bases has improved . The heart size is normal .
    OUTPUT:
    
1 . Right upper lobe pneumonia . 2 . Interval increase in bilateral pleural effusions and bibasilar atelectasis . 3 . Interval improvement in pulmonary edema .