Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Compared to the prior film , an ET tube is now present , tip approximately 5 .8 cm above the carina . An NG tube is present , tip extending beneath diaphragm , off film . Mild to moderate cardiomegaly is similar to the prior film . Extensive parenchymal opacities are also similar , allowing for technical differences . Minimal blunting of the costophrenic angles is again seen , consistent with small effusions . Background COPD again noted . No pneumothorax is identified .
    OUTPUT:
    
Interval placement of ET and NG tubes .