Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since prior study , there has been interval retraction of the endotracheal tube , which now terminates approximately 4 cm above the level of the carina . Otherwise , the appearance of the chest is stable , with persistent elevation of the right hemidiaphragm and unchanged bilateral parenchymal opacities , including the dominant area in the right upper lobe . Moderate cardiomegaly persists .
    OUTPUT:
    
Endotracheal tube now terminates in appropriate position , 4 cm above the carina . Otherwise , unchanged appearance of the chest .