“…Primary AEFs usually result from direct erosion of an atherosclerotic infrarenal abdominal aortic aneurysm into the gastrointestinal tract. Other reasons except atherosclerosis leading to enteric communication are infection, radiation therapy, peptic ulcer, gallstones, pancreatitis, diverticular diseases, foreign bodies, metastatic cancer, pseudoaneurysm associated with cystic medial necrosis, and post‐traumatic pseudoaneurysms 1‐7 . Because of close contact with the abdominal aorta, third portion of the duodenum is the most common site of the AEF followed by jejenum, ileum, colon, esophagus, and stomach 8,9 …”