Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior study there has been increase in interstitial opacification in keeping with pulmonary edema . Heart size and right pleural effusion are larger . Left pleural effusion remains small . No pneumothorax .
    OUTPUT:
    
Interval increase in pulmonary edema , moderate , with a moderate right and small left pleural effusion . These maybe manifestation of a more supine position .