A 71-year-old man is admitted to hospital for surgical management of an abdominal aortic aneurysm in which a graft is placed between the level of the aortic bifurcation and the renal arteries. Which of the following is at greatest risk of perturbed blood supply in this patient?
First part of duodenum
Second part of duodenum
Cecum
Ascending colon
Descending colon
