Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: ET tube is 4 cm from the carina . A right pigtail pleural drain projects over the mid to upper right lung . Mild cardiomegaly is unchanged . Moderate pulmonary edema has progressed . There is a background of diffuse interstitial lung disease . Small bilateral pleural effusions appear worsened . There is no pneumothorax .
    OUTPUT:
    
1 . Moderate pulmonary edema has progressed . 2 . Small bilateral pleural effusions have worsened . 3 . Background of interstitial lung disease is essentially unchanged .