This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Oesophagus, Subject name: Surgery
Zenker's diverticulum - all are false except: - 
Select and explain. 
A. True diverticulum, B. Lies in mid- esophagus, C. Treatment is by diverticulectomy, D. Senile change
C: Treatment is by diverticulectomy
Answer: C: Treatment is by diverticulectomy 
Explanation: Ans. (c) Treatment is by diverticulectomyRef: Bailey 26th 1018* It is a false diverticulum.* Disease common in old age (Senile)* MC in neck - presents as swelling in posterior triangle.* Zenker diverticulum is treated with Diverticulectomy