Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: An endotracheal tube is seen at 1 .7 cm above the carina and should be pulled back approximately 1 cm for optimal positioning . An esophageal tube terminates in the stomach and is in appropriate position . The cardiomediastinal and hilar contours are normal , stable . The lungs are clear . There is no evidence of effusion or pneumothorax .
    OUTPUT:
    
An endotracheal tube is seen 1 point cm above the carina and should be pulled back approximately 1 cm for optimal positioning .