A dissection usually includes the region from the bifurcation of the aorta to the superior mesenteric artery or the renal veins. Additional images Bibliography Standring et al. - Gray's Anatomy, The Anatomical Basis of Clinical Practice [41st edition, 2016] See also Retroperitoneal lymph node dissection External links http://www.instantanatomy.net/thorax/vessels/lnodes.html Lymphatics of the torso