“…Renal vessels demonstrate huge anatomical variability as regards to their number, level of origin, diameter and topographical relationships [2, 8-10, 17, 19, 25, 26, 30-36]. In particular, it applies to the left renal vein which can present retroaortic [1,10,12,15] or even circumaortic placement [7,11,13,20,27]. Thus, the left renal vein may be a single vessel or double -with two limbs: one located anterior and the second posterior to the abdominal aorta [5,19,33].…”