Figure legend
(A ) Preoperative computed tomography (CT) image showing
compression of the left renal vein (LRV, arrowhead) between the dilated
abdominal aorta (AO) and superior mesenteric artery (SMA). (B )
Abrupt triangular narrowing of the LRV (beak sign). (C )
Postoperative CT image showing distance between the prosthetic graft
(PG) and SMA, as well as the release of compression affecting the LRV.
(D, E ) Pre- and postoperative three-dimensional CT images
showing enlargement of the angle between the SMA and aorta/PG.