1. Veins

2. Hepatic Portal V. Drains ALL abdominal and pelvic portions of the digestive tract Gallbladder Pancreas Spleen

6. Inferior Mesenteric V. Drains Left Part of Transverse Colon Descending Colon Sigmoid Colon Rectum Anal Canal

7. Superior Mesenteric V. Drains Pancrease Small Intestine Cecum Ascending Colon Appendix Transverse Colon

8. Superior Mesenteric V

9. Splenic V. Drains Spleen Pancreas Fundus and great curvature of Stomach

10. Inferior Vena Cava Drains Everything inferior to diaphragm but the posterior abdominal wall which drains into azygos system

11. Common Iliac Drains Lower limb Pelvis Perineum

15. Autonomics

18. Sympathetic Trunk

19. Splanchnic nerves

20. Cisterna Chyli

21. Thoracic Duct