Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube terminates approximately 3 .6 cm above described , stable . Left subclavian line is in the lower SVC . Enteric tube is below the diaphragm , tip not visualized . There is persistent dense bibasilar opacities superimposed on mild pulmonary edema and bilateral pleural effusions .
    OUTPUT:
    
Dense bibasilar opacification superimposed on mild pulmonary edema may be due to effusions / atelectasis or pneumonia , relatively unchanged .