Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior study , there has been interval placement of a right internal jugular catheter , which terminates at the level of the upper SVC . There is no pneumothorax or pleural effusion . Otherwise , the appearance of the chest is unchanged compared to the prior study from 16 :26 earlier today .
    OUTPUT:
    
Right IJ catheter terminates in upper SVC . No pneumothorax .