Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube remains appropriately positioned , ending 4 .4 cm above the level of the carina . There are two enteric catheters , one of which ends within the lower esophagus ( an esophageal balloon per the coverage physician 's report ) and the other of which passes below the level of the diaphragm and out of the field of view inferiorly . A left - sided subclavian central venous catheter ends near the superior cavoatrial junction , unchanged . Dense left retrocardiac opacification is likely atelectasis , unchanged . Moderate pulmonary edema has essentially resolved . Patchy opacities in both lower lungs persist . The heart is normal in size . The mediastinal contours are normal . There are no definite pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . Improvement in opacities most suggestive of pulmonary edema . 2 . Dense retrocardiac opacification , not entiredly specific but typical for atelectasis . 3 . Persistent scattered bilateral lower lung opacities , which may represent residua of recent infection . Pertinent findings were discussed with Dr . ___ by Dr . ___ at 9 : 12 a .m . via telephone on the day of the study , 10 minutes after discovery .