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What is Colonic disease can be diagnosed by all except and explain in detail?
.Indications of Barium swallow * Dysphagia due to motility disorder like achalasia cardia, diffuse oesophageal spasm. * Dysphagia due to mechanical causes like carcinoma, benign strictures and neoplasms, external compression. *Pharyngeal pouch and other diveicula. * GORD .ref:SRB&;s manual of surgery,ed 3,pg no 721