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: Medicine
Autoimmune hemolytic anemia is associated with malignancy of which cell lineage? 
Select and explain. 
A. T cell, B. B cell, C. Pre B cell, D. Pre T cell
B: B cell
Answer: B: B cell 
Explanation: Autoimmune hemolytic anemia is associated with typical B cell chronic lymphocytic leukemia and non-Hodgkin's lymphomas. Ref: Harrison's Principles of Internal Medicine, 17th Edition, Page 693; Davidson's Principles and Practice of Medicine, 20th Edition, Page 1046; Harrison 16th Edition, Page 648, 612; 17th Edition, Page 693