Surgery Which of the following is not true for ZollingerEllison syndrome: September 2008 A Recurrence after operation B Reduced BAO : MAO ratio C Gastrin producing tumour D Diarrhoea may be a presenting feature 💡 Explanation Which of the following is not true for ZollingerEllison syndrome: September 2008 ✓ Correct Answer: B. Reduced BAO : MAO ratio