Fig. 1

ARA on the right kidney in CTA and arteriography of the renal artery. A and B showed branches of the abdominal aorta from the front and back aspects respectively. C showed the overall perfusion of both kidneys and D showed the normal left renal artery in renal arteriography. In E and F for the main right renal artery and ARA respectively, we found that the perfusing area was matched between these two arteries