Esophageal carcinoma is not predisposed by: (A) Achalasia, (B) Scleroderma, (C) Corrosive intake, (D) barrett's oesophagus
Answer is B. .common predispositions in developing carcinoma oesophagus includes, *human papillomavirus infection *achalasia cardia (30%) *oesophageal webs (25%) *Barrett&;s oesophagus and also Plummer Vinson syndrome, tylosis, corrosive strictures, and nitrosamines. ref : SRB&;s manual of surgery,5th ed ,pg no 804