 The borders of dissection included the bifurcation of the common iliac artery superiorly, the crossover of the deep circumflex iliac vein over the external iliac artery inferiorly, the psoas muscle laterally and the anterior division of the hypogastric artery medially. 
The borders of dissection included the bifurcation of the common iliac artery superiorly , the crossover of the deep circumflex iliac vein over the external iliac artery inferiorly , the psoas muscle laterally and the anterior division of the hypogastric artery medially .