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: Surgery
Most common presentation of Meckel's diveiculum? 
Select and explain. 
A. Lower GI bleeding, B. Upper GI bleeding, C. Diarrhorea, D. Abdominal pain
A: Lower GI bleeding
Answer: A: Lower GI bleeding 
Explanation: Ans. is 'a' i.e. Lower GI bleeding