Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates 2 .5 cm above the carina . Enteric catheter courses below the left hemidiaphragm loops in the stomach and travels out of view . Cardiomediastinal and hilar contours are unremarkable . Streaky opacification in the retrocardiac space likely represents atelectasis , though infection / aspiration is not excluded in the clinical setting . No pleural effusion or pneumothorax .
    OUTPUT:
    
1 . Endotracheal tube terminates 2 .5 cm above the carina . 2 . Left retrocardiac opacification , likely atelectasis .