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: Anatomy
[{'content': 'Marginal lymphoma is type of: \nSelect and explain. \nA. B cell lymphoma, B. T cell lymphoma, C. NK cell lymphoma, D. Hodgkins lymphoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Marginal zone lymphoma is a B cell tumour has the presence of translocation t(11,18) it is associated with H.pylori infection. They have the following execeptional characteristics: Often arise within tissues involved by chronic inflammatory disorders of autoimmune or infections etiology. Remain localized for prolonged periods spreading systematically only late in their course. May regress if the inciting agent is eradicated.( ref Robbins 9/e p603)', 'role': 'assistant'}]