<prompt> A 30 year old female patient presents with non progressive dysphagia, for both solids and liquids. The characteristic finding on baruim swallow that will confirm the probable diagnosis is:Dilated esophagus with narrow lower end rat tail esophagusMultiple sacculations and pseudodiveicula corkscrew esophagusNarrow and irregular esophageal lumenStricture ulcer in the esophagus  <response>: The presence of non progressive dysphagia to both solids and liquids suggest the diagnosis of diffuse esophageal spasm. The characteristic barium swallow findings of sacculations and pseudodiveicula corkscrew esophagus is found in barium swallow. Ref: Harrisons Principles of Internal Medicine, 16th Edition, Page 1742; The Radiology Handbook: A Pocket Guide to Medical Imaging By J S Benseler, Page 139 