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': 'Mint Common extranodal site of Lymphoma in HIV is? \nSelect and explain. \nA. CNS, B. GIT, C. Retroperitoneum, D. Mediastinum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Answer is option 1, CNS Categories of HIV-associated lymphomas (1) Lymphoma also occurring in immunocompetent patients Burkitt and Burkitt-like lymphoma Diffuse large B-cell lymphoma - Centroblastic - Immunoblastic (including primary CNS lymphoma) Extranodal marginal zone lymphoma of MALT type', 'role': 'assistant'}]