This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': 'Posterior mediastinal tumours are \nSelect and explain. \nA. Neuroblastoma, B. Bronchogenic cyst, C. Lymphoma, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: ref : schwaz 9e p570', 'role': 'assistant'}]