Which of the following is the MOST common primary malignant tumor of spleen?

Primary neoplasm of spleen is a rare entity. Most common primary neoplasm of spleen is hemangioma and most common primary malignant tumor is angiosarcoma. Remember: Most common neoplasm of spleen is lymphoma Most common primary tumor of spleen is Hemangioma Most common primary malignant tumor of spleen is Hemangiosarcoma (or angiosarcoma) Ref: Sabiston 17/e, Page 1689; Maingot's 11/e, Page 1085; Bailey & Love 24/e, Page 1091