Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube tip lies slightly above the level of the clavicular heads approximately 4 .2 cm above the carina . The right subclavian central line tip overlies the cavoatrial junction . An NG tube is present . Due to underpenetration is difficult to trace through the lower mediastinum into the abdomen . The cardiomediastinal silhouette is unchanged . Again seen are diffuse patchy opacities in both lungs . The distribution and density appears similar to the prior study . The foci themselves appear slightly less distinct , but I suspect this is predominantly due to technique and slight motion .
    OUTPUT:
    
1 . ET tube tip appears slightly higher than on yesterday 's exam . NG tube not well visualized in the lower mediastinum , due to technical factors . 2 . Otherwise , I doubt significant interval change . Diffuse bilateral parenchymal abnormalities are similar to the prior exam . Please see comment above .