This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Pathology
[{'content': 'Origin of lymphoplasmacytic lymphoma is from:- \nSelect and explain. \nA. Germinal centre T cell, B. Germinal centre B cell, C. Post germinal centre B cell, D. Pre germinal centre B cell', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Lymphoplasmacytic lymphoma (Waldenstrom Macroglobinemia) : B cell lymphoma that exhibit plasmocytic differentiation, clinical symptoms dominated by hyperviscosity related to high level of tumor derived IgM. Origin:- Post geminal Centre B cell.', 'role': 'assistant'}]