Medicine All are true about gastrinomas except: A Most gastrinomas (50-70%) are present in the duodenum B About 10 % of gastrinomas are malignant C Metastatic spread to lymph nodes and liver D Causes peptic ulcer disease with diarrhea 💡 Explanation All are true about gastrinomas except: ✓ Correct Answer: B. About 10 % of gastrinomas are malignant