Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Supine AP portable view of the chest was provided . There has been interval placement of an endotracheal tube with its tip located approximately 1 .7 cm above the carina . An NG tube courses below the left hemidiaphragm . Scattered bilateral lung opacities appear less confluent compared with prior exam and may represent atelectasis or aspiration .
    OUTPUT:
    
Low position of the endotracheal tube positioned 1 .7 cm above the carina . Recommend retraction by at least 1 cm for more optimal positioning . Lower lung opacities concerning for atelectasis and / or aspiration .