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: Surgery
Tumours of anterior mediastinum include the following except - 
Select and explain. 
A. Thymoma, B. Lymphoma, C. Germ cell tumour, D. Schwanoma
D: Schwanoma
Answer: D: Schwanoma 
Explanation: None