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': 'RS cells are seen in \nSelect and explain. \nA. Hodgkin’s disease, B. Sickle cell anaemia, C. Thalasemia, D. CML', 'role': 'user'}, {'content': 'Answer: A \nExplanation: • Hodgkin’s disease is characterized by presence of Reed-sternberg cells (Classical Reed-sternberg cells) and its variants.\nRS cells are derived from B-cells of germinal center and induce accumulation of reactive, lymphocytes, histiocytes (macrophages) and granulocytes.', 'role': 'assistant'}]