This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neoplasm of Mature B & T Cells, Subject name: Pathology
[{'content': 'Which of the following organ involvement is not commonly observed with CNS involvement in a patient with DLBCL? \nSelect and explain. \nA. Ovary, B. Testis, C. Kidney, D. Adrenal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Diffuse large B cell lymphoma (DLBCL):- Arise sporadically or from transformation of a low grade lymphoma(eg:-Follicular lymphoma). (1) Present in adulthood as an enlarging lymph node or and extra nodal mass Patient with DLBCL with CNS involvement commonly involve organ like:- Renal, Adrenals, testis.', 'role': 'assistant'}]