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A 5-day-old male infant is diagnosed with Hirschsprung disease. CT scan examination reveals an abnormally dilated colon. Which of the following is the most likely embryologic mechanism responsible for Hirschsprung disease?

A
Failure of neural crest cells to migrate into the walls of the colon
B
Incomplete separation of the cloaca
C
Failure of recanalization of the colon
D
Defective rotation of the hindgut
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