True about Zenker's diveiculum is all, EXCEPT:
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
Originates from the anterior wall of the esophagus
Occurs through triangular area of weakness
It tends to dete from the midline, mostly to the left
None of the above