This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Most common site a spontaneous rupture of esophagus is 
Select and explain. 
A. Cricopharyngeal junction, B. Cardioesophageal junction, C. Mid esophagus, D. After the crossing of arch of aoa
B: Cardioesophageal junction
Answer: B: Cardioesophageal junction 
Explanation: MC site: left posterolateral side of the distal esophagus