Figure 3: (a) Presence of polar superior, renal, and polar inferior arteries. AA: Aorta artery; IMA: Inferior Mesenteric Artery; CV: Cava Vein; LRV: Left Renal Vein; R1: Right superior polar artery; R2: Renal artery; R3: Inferior polar artery. (b) Presence of pre and retropyelic bifurcation of the inferior polar arteries with description of anastomosis between the prepyelic branches of the main renal artery and the inferior polar artery. R1: Right superior polar artery; R2: Renal artery; R3: Inferior polar artery; U: Ureter; RP: Renal Pelvis; *: Prepyelic branch of the renal artery; ^# Prepyelic branch of the inferior polar artery. (c) Presence of pre- and retropyelic bifurcation of the inferior polar arteries with description of anastomosis between the prepyelic branches of the main renal artery and the inferior polar artery. R2: Renal artery; R3: Inferior polar artery; U: Ureter; RP: Renal Pelvis *: Retro-pyelic branch of the renal artery; ^#Retro-pyelic branch of the inferior polar artery; Ar: Vascular Arch between prepyelic branches