<prompt> Duodenal ulcer, true statement is -Never MalignantMost-common site is IInd paCommon in blood group ABGI bleed not seen  <response>: Answer- A. Never MalignantDuodenal ulcer is more common in persons with blood groupO, i.e., containing no AB antigens with blood groupO iecontaining no AB antigens.Bleeding is more common in duodenal ulcer than in gastric ulcer. 