Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP portable upright view of the chest . The endotracheal tube is seen with its tip located 7 .4 cm above the carinal . Advancement by approximately 3 - 4 cm may achieve a more optimal position . NG tube courses inferiorly though its tip is excluded from view . Both CP angles are excluded . Lungs appear grossly clear . The cardiomediastinal silhouette is normal . Imaged osseous structures are intact .
    OUTPUT:
    
Endotracheal tube positioned high in the trachea . Recommend advancement .