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: Surgery
All of the following statements about Zenker's diveiculum are true, except 
Select and explain. 
A. Acquired diveiculum, B. False Diveiculum, C. Lateral X-rays on barium swallow are often diagnostic, D. Out pouching of the anterior pharyngeal wall, occur just above the cricopharyngeus muscle
D: Out pouching of the anterior pharyngeal wall, occur just above the cricopharyngeus muscle
Answer: D: Out pouching of the anterior pharyngeal wall, occur just above the cricopharyngeus muscle 
Explanation: 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