Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since CT chest of ___ there has been considerable worsening of bilateral upper lobe predominant opacities , right greater than left . Heart size is top normal . There is no large pleural effusion or pneumothorax . Posterior spinal fusion hardware is re - demonstrated . ET tube terminates 4 .9 cm from the carina . Vascular stents project over the left axilla .
    OUTPUT:
    
1 . ET tube 4 .9 cm from the carina . 2 . Severe worsening of bilateral upper lobe predominant airspace opacities , right greater than left , are likely accounted for by severe pulmonary edema . A superimposed pneumonia can not be excluded and repeat radiographs after diuresis / hemodialysis are recommended .