<prompt> Risk factor for carcinoma stomach include all of the following, Except:Blood group AAtrophic GastrititisDuodenal Peptic ulcerPaial Gastrectomy  <response>: Answer is C Duodenal Peptic ulcer Gastric adenocarcinoma may be associated with long standing gastric peptic ulcers small risk but not with duodenal ulcers. Atrophic gastritis, paial gastrectomy and blood group A have all been included in the list of risk factors for gastric adenocarcinoma. 