Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . Bilateral pleural effusions , increased since ___ . Increased interstitial markings in bilateral scattered patchy opacities , suggestive of pulmonary edema or pneumonia in the appropriate clinical setting , worse since ___ . Stable cardiomegaly . No pneumothorax .
    OUTPUT:
    
Probable mild - to - moderate heart failure , progressed since ___ .