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What is All of the following are contraindications for rigid esophagoscopy Except and explain in detail?
Regular oesophageal dilatation is done for stricture. Stricture is dilated endoscopically using guidewires. Dilators are solid type with gradual increase in diameters. Dilatation should be done up to minimum 16mm diameter. Reference: SRB's Manual of Surgery, 6th Edittion, page no= 792