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: Medicine
[{'content': 'Risk factor for the development of gastric Carcinoma among the following is \nSelect and explain. \nA. Blood group O, B. Duodenal ulcer, C. Intestinal hyperplasia, D. Intestinal metaplasia type III', 'role': 'user'}, {'content': "Answer: D \nExplanation: Risk factors are:Long-term ingestion of high concentration of nitrates.H.pyloriIntestinal metaplasia in patients with atrophic gastritis.Gastric ulcers and adenomatous polyps.Menetrier's disease.Patients with blood group A have a higher incidence of Ca stomach than blood group O.Note: duodenal ulcers are not associated with gastric cancer.Ref: Harrison's 18/e 765.", 'role': 'assistant'}]