Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Interval placement of endotracheal tube terminating 4 .4 cm above the level of the carina . Enteric tube courses below the diaphragm , terminating in the left upper quadrant . There is persistent left base opacity . The cardiac and mediastinal silhouettes are stable , with the aortic knob appearing mildly dilated , also seen on priors . Hilar contours are stable .
    OUTPUT:
    
Endotracheal tube terminates 4 .4 cm above the level of the carina . Enteric tube courses below the diaphragm , terminating in the left upper quadrant . Remainder of the chest findings are essentially unchanged .