Small bowel cancer. Clinical and pathologic features.

Although the small bowel constitutes over 75% of the length and 90% of the mucosal surface of the alimentary tract, it is the site of only 1% of gastrointestinal cancers. Despite their rarity, it is important to diagnose small bowel tumors early to maximize patient survival. This article focuses on the clinical and pathologic findings of small bowel adenocarcinomas and carcinoids.