<prompt> The anterior margin of epiploic foramen is a free peritoneal fold that contains:Portal vein, Hepatic artery and bile ductCaudate lobeIVCPancreatic head  <response>: Ans. A. Portal vein, Hepatic artery and bile duct. Ref BDC, Anatomy - Vol II, 4thpg. 231-232Foramen of Winslow Epiploic foramen Aditus to lesser sac It is a vertical slit - like opening through which lesser sac communicates with greater sac. It is situated behind right free margin of lesser omentum at level of T12.Bounderies Of Epiploic Foramen of Winslow1AnteriorlyRight free margin of lesser sac omentum containing portal vein, hepatic artery bile duct2PosteriorlyIVCQ, suprarenal gland T12 vertebra3SuperiorlyCaudate process of liver4Inferiorly1st part of duodenum horizontal part of hepatic artery. 