Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to prior , lung volumes are similar . However , there are denser appearing opacities in the right base , concerning for worsening basilar atelectasis or pneumonia . There is persistent left basilar atelectasis . Left pleural effusion is small if any . Heart is top normal and unchanged from prior . No pneumothorax is seen . ETT and NG tubes are in standard position and unchanged from prior .
    OUTPUT:
    
Worsening right basilar atelectasis or pneumonia .