system
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
A patient complaints of dysphagia, bad breath with regurgitation of food he had three day ago. Most likely cause is:
assistant
The correct answer is  Ans. (b) Zenker diverticulumRef Sabiston 20th Edition, Page 1022* Zenker's Diverticulum: Most common symptom is dysphagia* It is also associated with Halitosis and Regurgitation.* Due to stagnation of food in the diverticulum patient may regurgitate after long period.* Treatment is Diverticulectomy or Dohlman operation