Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal silhouette is within normal limits given patient rotation to the left . Enteric tube is seen below the diaphragm , tip projecting over the region of the gastric fundus . Endotracheal tube is not clearly delineated on this exam .
    OUTPUT:
    
Endotracheal tube is not visualized .