This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bleeding from the GUT and diseases of esophagus, Subject name: Medicine
Not a cause of upper GIT bleeding 
Select and explain. 
A. Meckel's diveiculum, B. Mallory Weiss Syndrome, C. Gastric antral vascular ectasia, D. Poal hypeension
A: Meckel's diveiculum
Answer: A: Meckel's diveiculum 
Explanation: Meckel's diveiculum - Found in Ileum distal to ligament of Treitz( Cause of lower GI BLEED) Location of Ligament of Treitz is Duodenojejunal flexure