Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube is well positioned , terminating 3 .7 cm above the carina . Left - sided central venous catheter does not cross midline and is likely within the distal aspect of the left brachiocephalic vein . Enteric catheter courses below left hemidiaphragm and out of view . There is mildly increased bibasilar opacifications , left greater than right , which may reflect worsening pneumonia ; however , there is also increased mild background pulmonary edema . Cardiomediastinal and hilar contours are unchanged .
    OUTPUT:
    
Malpositioned endotracheal tube . Increased density of bibasilar opacifications , left greater than right , possibly reflecting worsening pneumonia vs . increased edema .