This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Stomach & Duodenum, Subject name: Surgery
A thirty years old male presents to the emergency department with symptoms of epigastric pain radiating to back that wakes him up a tonight and is relieved by consuming food. He gives history of similar pain in the past which was diagnosed as perforated duodenal ulcer and treated with omental patch surgery on two occasions. Pain before and after surgery has been controlled with proton pump inhibitors and analgesics. The likely diagnosis on this occasion is: 
Select and explain. 
A. Duodenal ulcer, B. Gastric ulcer, C. Atrophic gastritis, D. Chronic pancreatitis
A: Duodenal ulcer
Answer: A: Duodenal ulcer 
Explanation: Ans. (a) Duodenal ulcerRef: Sabiston 20th Edition, Page 1199* Pain relieved on eating: Duodenal ulcer* Pain aggravated on eating: Gastric ulcer* Pain unrelated to food: Cancer stomach