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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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Whichof the following signs is seen in Crohn's disease?
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The correct answer is  The term "string sign" may be applied to other narrowed loops of small bowel in Crohn's disease. Carcinoid tumors may produce similar findings in the ileum and "string sign" may be seen in an elongated and narrowed pylorus caused by hyperophic pyloric stenosis.