This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General Concepts, Subject name: Pathology
Which of the following is not a benign neoplasm? 
Select and explain. 
A. Chondroma, B. Leiomyoma, C. Papilloma, D. Seminoma
D: Seminoma
Answer: D: Seminoma 
Explanation: Seminoma is a malignant testicular neoplasm. All the other options are benign tumours.