Boundaries of Gastrinoma triangle are all EXCEPT:

ANSWER: (C) Junction of hepatic ductsREF: Sabiston 18th ed chapter 38Gastrinomas were originally assumed to arise in the pancreas, but most subsequent series have shown that the majority originate in the duodenum.Sixty percent to 90% are found in the so-called Gastrinoma triangle, an area in the upper part of the abdomenSuperior point at the junction of the cystic and common bile ductsIts inferior point at the junction of the inferior margin of the second and third parts of the duodenumIts left lateral point at the junction of the head and neck of the pancreas.The duodenum is the site of gastrinomas in more than 60% of patients, and there is a pronounced proximal-to-distal gradient within the duodenum (i.e., most are in the first part, none in the fourth).