Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube tip projects 9 mm above the carina . An NG tube courses below the left hemidiaphragm and out of view . There is new mild cardiomegaly with diffuse pulmonary opacities . No pleural effusions or pneumothorax .
    OUTPUT:
    
1 . Low - lying endotracheal tube . Please retract by at least 2 - 3 cm for more optimal positioning . 2 . Diffuse bilateral pulmonary opacities are likely due to pulmonary edema . However , superimposed infection is not excluded .