<prompt> Whichof the following signs is seen in Crohns disease?String sign of KantorStroughts signPincer signInveed 3 sign  <response>: The term string sign may be applied to other narrowed loops of small bowel in Crohns 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. 