<prompt> What is the name of this triangle?Gastrinoma triangleCalots triangleDooms triangleCholecystohepatic triangle  <response>: Gastrinoma triangle is for ZES Also known as Passaros triangle Best Imaging modality is EUSEndoscopic ultrasound S.R.SSomatostatin receptor scintigraphy Most common site of ZES is 2nd pa of duodenum 