<prompt> An elderly male presents with history of dysphagia, regurgitation foul breath and cough. Bilateral Lung crepts are noted on examination. The most likely diagnosis is -Shatzki RingZenkers DiverticulumCorkscrew EsophagusPlummer-Vinson Syndrome  <response>: Features of Dysphagia, Halitosis foul breath, regurgitation with cough and aspiration pneumonia Bilateral Lung Crepts suggests a diagnosis of Zenkers Diverticulum. 