Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is significantly rotated . The tip of the endotracheal tube lies 4 .5 cm from the carinal angle and remains in satisfactory position . The position of the tip of the Swan - Ganz catheter is also unchanged as is that of the right IJ line . Opacification of the left base is again noted , probably unchanged . A pigtail catheter is present at the right base , unchanged in position since the previous chest . No pneumothorax is identified on this side .
    OUTPUT:
    
No change since prior chest x-ray .