Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is seen with tip at the carina and should be withdrawn for optimal positioning . Enteric tube side - port past the GE junction , in appropriate position . Increased interstitial markings seen throughout the lungs with streaky left basilar atelectasis . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications noted in the aorta . No displaced fractures identified .
    OUTPUT:
    
ET tube tip at the carina and should be withdrawn for optimal positioning .