Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal radiograph of the chest again demonstrates small right pleural effusion with slight increase in left pleural effusion . The differences may be due to patient positioning . New is the right upper lobe increase in opacification , concerning for new pneumonia . The cardiac and mediastinal contours are relatively unchanged . Bibasilar atelectasis is again noted . Biapical scarring is again noted . No pneumothorax is seen .
    OUTPUT:
    
Small bilateral pleural effusions with slight increase in left pleural effusion . Increase in opacity at the right upper lobe concerning for new pneumonia .