Medicine Which of the following does not occur in a patient with gastrinoma? A Epigastric pain B Diarrhoea C Basal acid output (BAO) less than 15 mEq/ litre D Serum gastrin levels >200 pg/ml 💡 Explanation Which of the following does not occur in a patient with gastrinoma? ✓ Correct Answer: C. Basal acid output (BAO) less than 15 mEq/ litre