Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right IJ approach Swan - Ganz catheter , bilateral chest and mediastinal tubes and enteric tubes are unchanged . Enteric tube tip is 2 .6 cm from the carina . Appearance of the chest is unchanged noting retrocardiac opacity and widened , postoperative appearance of the mediastinum .
    OUTPUT:
    
No significant interval change .