This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Urology, Subject name: Surgery
What is the cell of origin of primary lymphoma of the GI tract associated with celiac disease? 
Select and explain. 
A. B-cell, B. T-cell, C. Histiocyte, D. Dendritic cell
B: T-cell
Answer: B: T-cell 
Explanation: Lymphomas are progressive neoplastic condition of lymphoreticular system arising from stem cells. Lymphomas are the 3rd most common malignancy among children comprising 15% of paediatric cancers. Primary lymphoma of the GI tract associated with Celiac sprue--intestinal T cell lymphoma. Reference : page 253 SRB's manual of surgery 5th edition