Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube terminates in position 3 .5 cm above the level of the carina . An enteric tube courses below the level of the diaphragm . Lung volumes are low causing crowding of the central bronchovascular structures , and elevation of the right hemidiaphragm is noted . The cardiac silhouette is top - normal in size , and no definite pleural effusion , focal consolidation or overt pulmonary edema is seen .
    OUTPUT:
    
Appropriate positioning of endotracheal tube . Low lung volumes .