This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
True about boundaries of lesser Sac - 
Select and explain. 
A. Posteriorly stomach, B. Crus of diaphragm, C. Spleen, D. Greater omentum
D: Greater omentum
Answer: D: Greater omentum 
Explanation: Greater omentum forms both anterior and posterior wall of lesser sac.
The stomach is anterior to lesser sac.
Spleen and crus of diaphragm do not form boundaries of lesser sac.