A 19-year-old man is evaluated in hospital. He recently underwent surgery due to ongoing iron deficiency anemia.
Which of the following is the most likely explanation for this patient’s findings?
A) Failure of 270-degree counterclockwise rotation about the superior mesenteric artery
B) Failure of obliteration of omphalomesenteric duct
C) Failure of recanalization of proximal bowel
D) Mutation in KRAS
E) Telescoping of bowel segments
