<prompt> A man aged 60 years presents with intermittent dysphagia foul breath. He regurgitates food that is eaten few days ago: Likely diagnosis is:Zenkers diveiculumMeckels diveiculumSclerodermaAchalasia cardia  <response>: Answer is A Zenkers diveiculum Essentials of Diagnosis : Zenkers Diveiculum Current Otolaryngology Dysphagia Intermittent Regurgitation of undigested food with risk of aspiration Gurgling sounds in neck Halitosis 