Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal chest radiograph demonstrates ET tube terminating 6 .5 cm above the carina . OG tube courses below the diaphragm and terminates outside the field - of - view . Moderate pulmonary edema has slightly improved from radiograph obtained 30 minutes prior .
    OUTPUT:
    
Standard position of ETT and OGT . Slight improvement in pulmonary edema from 30 minutes prior .