Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Portable semi-upright radiograph of the chest demonstrates moderate cardiomegaly and bilateral opacities , largely unchanged since the most recent examination . An ET tube has been placed in the interval , and terminates approximately 4 .5 cm from the carina . A transesophageal tube is also identified , the tip of which is still seen in the thorax .
    OUTPUT:
    
Interval placement of an ET tube terminating approximately 4 .5 cm above the carina and a transesophageal tube , which does not extend subdiaphragmatically . Advancement of the transesophageal tube is recommended .