Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: In comparison to the previous examination from a few hours prior the lung fields are unchanged . The cardiomediastinal silhouette is unchanged . An endotracheal tube ends 1 cm above the carina , of note on the subsequent chest radiograph the endotracheal tube was appropriately positioned . An enteric tube courses below the level of the diaphragm and terminates in the region of the stomach .
    OUTPUT:
    
An endotracheal tube ends 1 cm above the carina . On the subsequent chest radiograph the endotracheal tube was appropriately positioned .