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: Medicine
The most common congenital esophageal anomaly is which of the following? 
Select and explain. 
A. Esophageal atresia, B. Esophageal psuedodiveiculum, C. Congenetal web, D. Schatzki ring
A: Esophageal atresia
Answer: A: Esophageal atresia 
Explanation: The most common congenital esophageal anomaly is esophageal atresia, occurring in about 1 in 5,000 live bihs. Reference: Harrisons Principles of Internal Medicine, 18th Edition