obesity is associated with an increased risk of adenomas. [emedicine.medscape.com]

The affected segment was found to be a 55cm portion of terminal ileum at operation which was resected due to hypertrophied proximal and collapsed distal segments, features in keeping with chronic intestinal obstruction, and ileo-ileal anastomosis done [njcponline.com]

disease (IPSID, Mediterranean lymphoma or diffuse small intestinal lymphoma ) Various genetic disorders are also associated with an increased incidence of small bowel tumors 1,2 : Peutz-Jeghers syndrome : hamartomatous polyps Gardner's syndrome : adenoma [radiopaedia.org]