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: Surgery
Watson criteria is used for 
Select and explain. 
A. Treatment for tracheoesophageal fistula, B. Diagnosis of tracheoesophageal fistula, C. Diagnosis of peptic ulcer, D. Prognosis of esophageal cancer
A: Treatment for tracheoesophageal fistula
Answer: A: Treatment for tracheoesophageal fistula 
Explanation: None