Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Recurrent right lower lobe opacification since ___ is improving since ___ . Left lower lobe mild opacification is probably due to atelectasis and unchanged since ___ . There is no pneumothorax or pleural effusion . ET tube ends 2 .9 cm above carina . NG tube is below the diaphragm . Mediastinal and cardiac contours are top normal .
    OUTPUT:
    
1 . Recurrent right lower lobe opacification with rapid onset and clearance could be due to aspiration . This has improved since yesterday . 2 . Tube and lines are in adequate position .