Gastrointestinal Carcinoid Tumors

About Gastrointestinal Carcinoid Tumors Gastrointestinal carcinoid tumors most often begin in neuroendocrine cells in the gastrointestinal (GI) tract, primarily in the appendix, small intestine or rectum. The gastrointestinal (GI) tract is responsible for digesting food, absorbing nutrients and water, and eliminating waste from the body. It comprises several organs including the stomach, large and small […]