<prompt> Superior border of epiploic foramen formed by -Caudate lobeHepatic arteryBile ductI VC  <response>: Ans. is a i.e., Caudate lobe Epiploic foramen foramen of winslow or aditus to lesser sac is a slit-like opening through which lesser sac communicates with greater sac. It is situated at the level of T12 vertebra. Its boundries are AnteriorRight free margin of lesser omentum contains portal vein, hepatic artery proper and bile duct. Posterior IVC, right suprarenal gland and T12 vertebra. Superior Caudate lobe of liver. Inferior 1st part of duodenum and horizontal part of hepatic artery. 