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
Chronic constipation in children is seen in all A/E – 
Select and explain. 
A. Hirschspring disease, B. Jejunal polyp, C. Hypothyroidism, D. Stricture
B: Jejunal polyp
Answer: B: Jejunal polyp 
Explanation: None