Best investigation for Zenker's diverticulum is:: (A) Barium swallow, (B) Endoscopy, (C) CECT, (D) EUS
Answer is A. Ans. (a) Barium swallowRef: Sabiston 20th Edition, Page 1020-1022* IOC for Zenker's - Barium swallow* IOC for Achalasia - Manometry* IOC for Barret's - Endoscopic biopsy