This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Extragonadal germ cell tumors occur in all of following except - \nSelect and explain. \nA. Sacrococcygeal region, B. Mediastinum, C. Brain, D. Testis', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., TestisExtragonadal germ cell tumors occur at :?Mediastinum ----> M.C. site. 3. Sacrococcygeal region -----> Sacrococcygeal teratoma.Retroperitoneum ----> 2nd M.C. site. 4. Pineal gland", 'role': 'assistant'}]