Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A new right - sided internal jugular central venous catheter terminates in the uppermost right atrium . There is no pneumothorax . Each renal collecting system is now opacified with recently administered intravenous contrast , now depicting mild hydronephrosis and hydroureter on the left . Otherwise there has been no significant change in the appearance .
    OUTPUT:
    
Status post internal jugular central venous catheter placement terminating in the uppermost part of the right atrium . No pneumothorax . Opacified left renal collecting system and upper ureter with distention suggesting mild hydronephrosis .