This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: NEET 2019, Subject name: Medicine
[{'content': "What is the name of this triangle? \nSelect and explain. \nA. Gastrinoma triangle, B. Calot's triangle, C. Doom's triangle, D. Cholecystohepatic triangle", 'role': 'user'}, {'content': "Answer: A \nExplanation: Gastrinoma triangle is for ZES Also known as Passaro's triangle Best Imaging modality is EUS(Endoscopic ultrasound) > S.R.S(Somatostatin receptor scintigraphy) Most common site of ZES is 2nd pa of duodenum", 'role': 'assistant'}]