(Note: This information is about small intestine cancers called adenocarcinomas. To learn about other types of cancer that can start in the small intestine, see Gastrointestinal Carcinoid TumorsGastrointestinal Stromal Tumors, or Non-Hodgkin Lymphoma.)

If you’ve been diagnosed with a small intestine cancer, your cancer care team will discuss your treatment options with you. It’s important to weigh the benefits of each treatment option against the possible risks and side effects.