Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since ___ , a new opacity is seen in the right lower lung field , concerning for aspiration or infection . The left lung is clear . The heart size is normal . The tip of an endotracheal tube is seen 5 .3 cm above the carina . NG tube is seen in the stomach and continues out of view . No pneumothorax .
    OUTPUT:
    
1 . New right lower lung field opacity is concerning for aspiration or infection .