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': "Most common extranodal site for non - hodkin's lymphoma is - \nSelect and explain. \nA. Stomach, B. Brain, C. Intestines, D. Tonsils", 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Stomach Two thirds NHLS and viually all cases of hodgkins lymphoma present with nontender nodal enlargement Two thirds of NHLS arise at extranodal sites which are skin, stomach or brain.", 'role': 'assistant'}]