This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Conditions associated with an increased risk of squamous cell carcinoma of the oesophagus include all of the following except - 
Select and explain. 
A. Barrett's Oesophagus, B. Achalasia cardia, C. Smoking, D. Tylosis
A: Barrett's Oesophagus
Answer: A: Barrett's Oesophagus 
Explanation: Barret's esophagus predisposes to adenocarcinoma.