Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , the lung volumes are lower . There is an increased diffuse interstitial abnormality consistent with worsening pulmonary edema . Additionally , there is increased opacification at the right base which may be due to a consolidation , atelectasis or asymmetric edema . Bilateral pleural effusions are moderate in size , and have increased since the prior exam . The mediastinal contours are unchanged . The heart remains moderately enlarged .
    OUTPUT:
    
1 . Worsening pulmonary edema , which is now moderate . 2 . Increased opacification at the right base may represent pneumonia in the proper clinical setting . Alternatively , may be due to atelectasis or asymmetric edema . 3 . Increase in size of bilateral moderate pleural effusions .