Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube ends 3 .3 cm above the level of the carina . An enteric catheter courses below the level of the diaphragm and out of the field of view inferiorly . There is minimal bilateral lower lung atelectasis . The lungs are otherwise clear . The heart remains top normal in size . The descending thoracic aorta is tortuous , as before . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
1 . No acute intrathoracic process . 2 . Appropriately positioned endotracheal tube .