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: Pediatrics
[{'content': 'Gasless abdomen on X-ray is seen with what type of trachea-esophageal fistula? \nSelect and explain. \nA. Isolated TEF, B. Esophageal atresia with proximal TEF, C. Esophageal atresia with distal TEF, D. Esophageal atresia with double TEF', 'role': 'user'}, {'content': 'Answer: B \nExplanation: In esophageal atresia with proximal TEF, as there is no connection of distal esophagus with trachea or proximal esophagus, gasless abdomen will be seen on x-ray.', 'role': 'assistant'}]