This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Haematology, Subject name: Pathology
[{'content': 'All of the following are true about nodular sclerosis of Hodgkin&;s disease except - \nSelect and explain. \nA. Well formed fibrous stands, B. CD 15 +, C. CD 20 +, D. Infiltration by plasma cells', 'role': 'user'}, {'content': 'Answer: A \nExplanation: There will be no well-formed fibrous stands but variable amount of fibrous tissue is characteristically present in the involved lymph nodes. occasionally the entire lymph node may be replaced by dense hyalinised collagen Reference textbook of Pathology 7th edition author Harsha Mohan page number 350', 'role': 'assistant'}]