Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube ends approximately 8 .5 cm above the carina . Nasogastric tube courses through the stomach and out of view . There is mild cardiomegaly . The hilar and mediastinal contours are within normal limits for technique . The lung volumes are low , with dense opacity in the retrocardiac left lower lobe , likely atelectasis . There are diffuse interstial and opacities in both lungs with small areas of confluence bilaterally , likely reflecting pulmonary edema .
    OUTPUT:
    
1 . Endotracheal tube tip terminates 8 .5 cm above the carina . Recommended further advancement for optimal positioning . 2 . NGT beneath diaphragm , off film . 3 . Cardiomegaly . 4 . Bilateral opacities , likely reflecting mild pulmonary edema . 5 . Left lower lobe collapse and / or consolidation .