Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval placement of an endotracheal tube and nasogastric tube . The endotracheal tube appears to be in appropriate position terminating 4 .5 cm above the carina . The nasogastric tube is seen passing below the diaphragm . There continues to be a right upper and lower lobe opacification and a possible retrocardiac opacity .
    OUTPUT:
    
Appropriate position of ET tube and nasogastric tube . No significant change in pulmonary opacities .