Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The ET tube is 2 .8 cm above the carina . The NG tube tip is difficult to visualize , it is likely below the GE junction again seen are diffuse increased lung markings and in particular retrocardiac opacity worrisome for infiltrate . The heart continues to be moderately enlarged
    OUTPUT:
    
ET tube 2 .8 cm above the carina .