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
[{'content': 'Most common testicular tumor in elderly is: \nSelect and explain. \nA. Seminoma, B. Spermatocytic seminoma, C. Yolk sac tumor, D. Lymphoma', 'role': 'user'}, {'content': 'Answer: D \nExplanation: LYMPHOMA M/c Testicular tumor seen in Elderly B/L M/E- Diffuse Large B Cell Lymphoma Malignant tumor Poor prognosis', 'role': 'assistant'}]