Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Semi-erect AP portable chest radiograph demonstrates retrocardiac opacities likely atelectasis . When compared to prior study obtained approximately 1 hr prior , there has been interval placement of an endotracheal tube which terminates 5 .9 cm above the level to of the tracheal bifurcation , in appropriate position . An enteric tube descends the chest in an uncomplicated course . Right supraclavicular catheter tip is in the cavoatrial junction
    OUTPUT:
    
Endotracheal tube appears to be in appropriate position .