Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison with the chest radiograph obtained 1 day prior , there is been interval intubation . An ET tube terminates 2 .8 cm above the carina . An enteric tube side port projects over the mid stomach . No other significant changes are appreciated . Right upper lung and perihilar opacification is similar , probably a combination of known lung cancer with postobstructive pneumonia . Substantial emphysematous changes are stable bilaterally .
    OUTPUT:
    
An ET tube terminates 2 .8 cm above the carina . Unchanged appearance of right upper lobe opacities concerning for postobstructive pneumonia .