Gastrointestinal Pathology Neoplasms of the small intestine are uncommon.
Benign tumors can include leiomyomas, fibromas, neurofibromas, and lipomas.
Seen here at the ileocecal valve is another tumor that has a faint yellowish color. This is a carcinoid tumor. Most benign tumors are incidental submucosal lesions, though rarely they can be large enough to obstruct the lumen.