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: Medicine
Mallory - Weiss tear occurs at 
Select and explain. 
A. Root of aorta, B. Oesophago gastric junction, C. Middle cerebral artery, D. Vertebro basilar artery
B: Oesophago gastric junction
Answer: B: Oesophago gastric junction 
Explanation: None