Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube is 3 .5 cm from the carina . Enteric tube is beyond the diaphragm . Lungs are clear . Heart size and cardiomediastinal contours are normal . No pleural effusion or pneumothorax .
    OUTPUT:
    
Satisfactory position of endotracheal and enteric tubes .