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: Pathology
[{'content': "Smudge cell is seen in \nSelect and explain. \nA. Nodular sclerosis Hodgkin's lymphoma, B. Chronic lymphocytic leukemia, C. Lymphocyte predominant Hodgkin's lymphoma, D. Sezary syndrome", 'role': 'user'}, {'content': "Answer: B \nExplanation: Lymphohistiocytic cells or L-H cells or popcorn cells are seen in lymphocyte predominant Hodgkin's lymphoma.\nThese cells are CD 45, CD 20 and epithelial membrane antigen positive. Lacunar cells are seen in nodular sclerosis Hodgkin's disease. They are positive for CD15, CD30 and PAX 5.\nSmudge cells are seen in CLL.\nSezary cells are seen in Sezary syndrome.", 'role': 'assistant'}]