RT Journal Article SR Electronic T1 Pedunculated polyp of the ileum protruding from a large diverticulum JF Frontline Gastroenterology JO Frontline Gastroenterol FD BMJ Publishing Group Ltd SP flgastro-2017-100931 DO 10.1136/flgastro-2017-100931 A1 Yugo Iwaya A1 Corwyn Rowsell A1 Teodor Grantcharov A1 Norman E Marcon YR 2017 UL http://fg.bmj.com/content/early/2017/12/21/flgastro-2017-100931.abstract AB