Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . Severe cardiomegaly is unchanged from the prior examination . Again , there is mild - moderate central pulmonary vascular congestion and mild interstitial pulmonary edema . Probable small bilateral pleural effusions . \
    OUTPUT:
    
Severe cardiomegaly and mild interstitial pulmonary edema .