Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A moderate right pleural effusion is new compared to the most recent prior study ___ ___ . There is associated opacification at the right lung base , not seen on the prior study . Chronic atelectasis and scarring of the right upper lobe and perihilar opacities radiating from the hilum are unchanged . The left lung remains clear of focal consolidation . Kerley B lines in the left lung base suggests minimal interstitial edema . The cardiomediastinal contours are similar given that the right aspect of the heart is obscured by opacity . No pneumothorax is appreciated .
    OUTPUT:
    
New / significantly increased moderate to large right pleural effusion from ___ with moderate right basilar atelectasis / consolidation . Mild interstitial edema .