Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The endotracheal tube is in unchanged and appropriate position , approximately 4 cm above the carina . The right IJ central line and nasogastric tube are also well positioned . The lungs are better aerated than on the prior radiograph from earlier in the day . The severe cardiomegaly as well as bilateral pleural effusions and bibasilar atelectasis are unchanged . The lungs are otherwise clear . The tortuosity of the aorta is also stable . The pulmonary vascular congestion shows minimal improvement . There is no pneumothorax .
    OUTPUT:
    
1 . Endotracheal tube in appropriate position , approximately 4 cm above the carina . 2 . Interval improvement in pulmonary vascular congestion . 3 . Otherwise , unchanged radiograph of the chest .