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': "All the following malignancies are associated with HIV, except- \nSelect and explain. \nA. Kaposi's Ca., B. Non Hodgkin's lymphoma, C. Astrocytoma, D. Gastric adeno Ca.", 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., Astrocytoma Neoplastic disease in AIDS o Kaposi sarcoma (most common tumor) o Non Hodgkin lymphoma Immunoblastic lymphoma (most common lymphoma) Primary CNS lymphoma (associated with EBV) Burkitt's lymphoma Other less common neoplasm are Hodgkin's disease Leukemia Cervical Ca Brain tumor Testicular Ca Multiple myeloma Melanoma Lung Ca Anal Ca Oral Ca o Not sure about option", 'role': 'assistant'}]