The portal vein is related to all, except -

Important relations about portal vein Infraduodenal part i) Anterior:- Neck of the pancreas ii)Posterior:- IVC Retroduodenal part i) Anterior:- 1st part of the duodenum, bile duct, gastroduodenal artery ii)Posterior:- IVC Supraduodenal part i) Anterior:- Hepatic artery, bile duct ii)Posterior:- IVC, separated by epiploic formal