Colonic disease can be diagnosed by all except
High-Yield Explanation
.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