Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low with bilateral pleural effusion and bibasal atelectasis . A nasogastric tube is in - situ , a right internal jugular catheter is unchanged in appearance . An esophageal balloon is not seen . A tiny metallic density seen paralleling the nasal gastric tube may be a marker on the device however this is unchanged in appearance when compared to the earlier study .
    OUTPUT:
    
No significant interval change when compared to the prior study . The esophageal balloon is not seen . Per discussion with the floor , the esophageal balloon was not inflated at the time of the radiograph .