This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
Following are the boundaries of epiploic foramen except 
Select and explain. 
A. Inferior vena cava, B. Second pa duodenum, C. Quadrate lobe of liver, D. Free margin of lesser omentum
C: Quadrate lobe of liver
Answer: C: Quadrate lobe of liver 
Explanation: 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.