Surgery Not a boundary of gastrinoma triangle: A Junction of 2nd and 3rd part of duodenum B Junction of 3rd and 4th part of duodenum C Junction of head with body of pancreas D Junction of cystic duct with common bile duct 💡 Explanation Not a boundary of gastrinoma triangle: ✓ Correct Answer: B. Junction of 3rd and 4th part of duodenum