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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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The commonest site of lymphoma in the gastrointestinal system is
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The correct answer is  Stomach is the commonest site of lymphoma in the gastrointestinal system is Stomach(55%). Helicobacter pylori infection is the causative agent commonly. Other sites are small bowel(30%), colon(10%), ileocaecal region (5%).Reference : page 856 SRB's manual of surgery 5th edition