Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The NG tube is seen coiling in the hiatal hernia . On the radiograph dated ___ , there is suggestion of tube coiling in the pharynx . Left subclavian line and ET tube are unchanged in position . The lungs , pleural surfaces and cardiomediastinal silhouette are unchanged .
    OUTPUT:
    
The NG tube is seen coiling in the hiatal hernia . On the radiograph dated ___ , there is suggestion of tube coiling in the pharynx .