Patterns of peritoneal spread of tumor in the abdomen and pelvis

Table 2 Inframesocolic compartment, organ association and their landmark vasculature

Ligament	Organ association	Landmark vasculature
Root of mesentery	Transverse duodenum to right iliac fossa	Superior mesenteric and ileocolic artery and veins
Jejunal mesentery	Root of mesentery to jejunal bowel	Jejunal artery and vein
Ileal mesentery	Root of mesentery to ileal bowel	Ileal artery and veins
Ascending mesocolon	Root of mesentery to ascending colon	Right colic and cecal artery and vein
Descending mesocolon	Base of transverse mesocolon to descending colon	Left colic artery and vein
Sigmoid mesocolon	Root of sigmoid mesocolon	Sigmoid and superior hemorrhoidal artery and vein