<prompt> All of the following statements about Zenkers diverticulum are true Except:Acquired diverticulumLateral X-rays on Barium swallow are often diagnosticFalse DiverticulumOut pouching of the anterior pharyngeal wall, just above the cricopharyngeus muscle  <response>: Zenkers diverticulum is out pouching of the posterior pharyngeal wall, where pharyngeal mucosa herniates through the Killians dehiscence the weak area between the upper oblique fibres and the lower horizontal fibres of the inferior constrictor muscle.Zenkers diverticulum is an acquired diverticulum and not a congenital diverticulum.Its a false diverticulum as it does not contain all the anatomic layers of the oesophageal wall.Barium swallows are diagnostic. Lateral views are essential as these are posterior outpouchings. 