Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The inspiratory lung volumes are decreased from the most recent prior study , resulting in mild bibasilar bronchovascular crowding . Increased opacity in the right anterior upper lobe may represent developing pneumonia . No significant pleural effusion or pneumothorax is detected . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits .
    OUTPUT:
    
Increasing opacity in the anterior right upper lobe best appreciated on the lateral radiograph concerning for developing pneumonia .