This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Surgery
[{'content': 'Causes of oesophagal carcinoma \nSelect and explain. \nA. Tylosis, B. Reflux esophagities, C. Lye ingestion, D. perforation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .common causes of developing oesophageal carcinoma include cardiac achalasia, Plummer Vinson syndrome, oesophageal websBarrett&;ss oesophagus, corrosive strictures and also TYLOSIS.Tylosis is an inherited disorder in which there is thickening of the skin of palm and sole, also known by the name Hovels Evans syndrome. Ref: SRB&;s manual of surgery,5th ed, pg no 804', 'role': 'assistant'}]