Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously noted right lower lung opacities are substantially increased since ___ , concerning for pneumonia . Mild opacities are seen in the left lung base , concerning for aspiration or infection . The heart size is unchanged . The tip of the ET tube seen 4 .6 cm above the carina . A feeding tube is seen in the stomach and continues out of view .
    OUTPUT:
    
1 . Previously noted right lower lung opacities are substantially increased since ___ . 2 . Mild opacities in the left lower lung base is concerning for aspiration or infection .