Superior relationship of omental foramen is
Omental foramen(epiploic foramen, foramen of Winslow ) has following border: anterior: the free border of the lesser omentum, known as the hepatoduodenal ligament. This has two layers and within these layers are the common bile duct, hepatic aery, and hepatic poal vein. posterior: the peritoneum covering the inferior vena cava superior: the peritoneum covering the caudate lobe. of the liver. inferior: the peritoneum covering the commencement of the duodenum and the hepatic aery, the latter passing forward below the foramen before ascending between the two layers of the lesser omentum. left lateral: gastrosplenic ligament and splenorenal ligament. ref - BDC 6e vol2 pg240
Hepatoduodenal ligament
Inferior vena cava
Caudate lobe of liver
1st pa of duodenum
Abdomen and pelvis