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What is All of the following statements about Zenker's diveiculum are true, except and explain in detail?
Zenkers diveiculum is an acquired, false, pulsion diveiculum that affects patients older than 50 years. It is an outpouching in the posterior pharyngeal wall immediately above upper esophageal sphincter. Ref: Schwaz's Principles of Surgery, 9th Edition, Chapter 25; Cardiothoracic Surgery In The Elderly By Mark R. Katlic, Page 564