1 — Ileal veins; 2 — Appendicular vein; 3 — Ileocolic vein; 4 — Right colic vein; 5 — Middle colic vein; 6 — Superior posterior pancreaticoduodenal vein; 7 — Duodenal veins; 8 — Superior mesenteric vein; 9 — Splenic vein; 10 — Hepatic portal vein; 11 — Cystic vein; 12 — Hepatic portal vein, right branch; 13 — Hepatic veins; 14 — Inferior vena cava; 15 — Right gastric vein; 16 — Oesophageal veins; 17 — Oesophageal branch; 18 — Left gastric vein; 19 — Short gastric veins; 20 — Left gastro-omental vein; Left gastro-epiploic vein; 21 — Pancreatic veins; 22 — Right gastro-omental vein; Right gastro-epiploic vein; 23 — Inferior mesenteric vein; 24 — Marginal vein of colon; 25 — Left colic vein; 26 — Superior rectal vein; 27 — Sigmoid veins; 28 — Middle rectal veins; 29 — Inferior rectal veins; 30 — Jejunal veins
