Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to chest radiograph from earlier today , significant interval decrease in right pleural effusion with right lower lobe re-expansion edema . The left lung is relatively clear . No interstitial edema . Mild to moderate cardiomegaly . No pneumothorax .
    OUTPUT:
    
Interval significant decrease in right - sided pleural effusion with right lower lobe re-expansion edema . No pneumothorax .