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': 'Which of following is the most common site for extranodal lymphoma? \nSelect and explain. \nA. Esophagus, B. Stomach, C. Intestine, D. Skin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Although extranodal lymphomas can arise in viually any tissue they di so most commonly in the GI tract paicularly the stomach.(ref Robbins 9th/773)', 'role': 'assistant'}]