<prompt> True about the relation of epiploic foramen is -Portal vein posteriorlyIVC inferiorlyHepatic artery superiorlyBile duct anteriorly  <response>: Boundaries of the lesser sac are:-Anterior:- Right free margin of lesser omentum contains portal vein, hepatic artery proper and bile duct.Posterior:- IVC, right suprarenal gland and T12 vertebra.Superior:- a Caudate lobe of the liver.Inferior:- 1st part of duodenum and horizontal part of the hepatic artery. 