Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Endotracheal tube is in the low trachea . Nasogastric tube courses below the diaphragm into the stomach . There are bilateral diffuse interstitial opacities most consistent with moderate to severe pulmonary edema . An underlying chronic interstitial lung disease is difficult to exclude . A small right pleural effusion is noted . Cardiomediastinal silhouette is mildly enlarged and the aorta is tortuous .
    OUTPUT:
    
1 . Bilateral diffuse interstitial opacities , most consistent with moderate to severe pulmonary edema . 2 . Small right pleural effusion .