Lesser sac of stomach is bounded by:
Posterior wall of stomach
Visceral surface of spleen
Under surface of liver
All
A. i.e. Posterior wall of stomach - Lesser sac/ Omental bursa is bounded anteriorly by stomach, caudate lobe of liver, lesser omentum & greater omentum (ant. 2 layers); and posteriorly by structures forming stomach bed (i.e. diaphragm, pancreas, spleen etc) & greater omentum (posterior 2 layers) Lesser sac or omental bursa is the site for abscess formation in posterior perforation of gastric ulcer and internal hernia through epiploic foramen