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
Most common Tumor of spleen is 
Select and explain. 
A. Lymphoma, B. Sarcoma, C. Hemangioma, D. Metastasis
A: Lymphoma
Answer: A: Lymphoma 
Explanation: Ans. is 'a' i.e., Lymphoma "Non-Hodgkin's lymphoma is the most common malignant neoplasm of the spleen."- Maingot's 11/e Primary neoplasms of spleen are a rare entity. Most common primary neoplasm of spleen is hemangioma and the most common primary malignant neoplasm is angiosarcoma.