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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
True about Zenker's diveiculum is all, EXCEPT:
assistant
The correct answer is  Zenker diveiculum originates from the posterior wall of the esophagus in a triangular area of weakness, limited inferiorly by the cricopharyngeus muscle and superiorly by the inferior constrictor muscles (ie, the Killian triangle). As the diveiculum enlarges, it tends to dete from the midline, mostly to the left