This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Small & Large Intestine, Subject name: Surgery
A 56-year-old man has suffered from intermittent claudication for 5 years. He has recently developed cramping abdominal pain that is made worse by eating. He has a history of a 15-lb weight loss. What is the most likely diagnosis? 
Select and explain. 
A. Chronic intestinal ischemia (intestinal angina), B. Chronic cholecystitis, C. Esophageal diverticulum, D. Peptic ulcer
A: Chronic intestinal ischemia (intestinal angina)
Answer: A: Chronic intestinal ischemia (intestinal angina) 
Explanation: Patients with underlying ischemic disease may develop acute intestinal infarction or intestinal angina, which is aggravated by eating.