The boundaries of the interconnection between greater sac and lesser sac of peritoneum known as 'Foramen of Winslow' are all, EXCEPT:

Interconnection between greater sac and lesser sac of peritoneum is known as Foramen of Winslow. It has the following boundaries: Superior boundary: Caudate lobe of liver Anterior boundary: Free edge of lesser omentum containing common bile duct, hepatic aery andpoal vein. Inferior boundary: First pa of duodenum Posterior boundary: Inferior vena cava and abdominal aoa