Following are the boundaries of epiploic foramen except

Epiploic foramen of Winslow is the passage of communication, or foramen, between the greater sac and the lesser sac (omental bursa).It has the following borders:1.Anterior: the free border of the lesser omentum, with the common bile duct, hepatic aery, and hepatic poal vein between its two layers. 2.Posterior: the peritoneum covering the inferior vena cava on T12.3.Superior: the peritoneum on the caudate lobe of the liverInferior: the second pa of the duodenum and the hepatic aery.