Exploring Gene Profiles in Small Bowel Adenocarcinoma Small bowel adenocarcinoma (SBA) is one of the rarest tumors found in patients. In fact, SBA only represents about 1-3% of all gastrointestinal malignancies. Due to its rarity, genomic analyses and prognostic biomarkers are limited. About 55-82% of small bowel adenocarcinomas can be found in