This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Anatomy
A 30 Yr old male presents to emergency depament with symptoms of epigastric pain radiating to back that wakes him up at night and is relieved by consuming food. He gives history of similar pain in the past which was diagnosed as perforated duodenal ulcer and treatment 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: .