Duke gastrointestinal medical oncologists, surgical oncologists, and other cancer experts work together to offer advanced detection and follow-up care for people with cancer of the gastrointestinal tract. This includes surgical, medical, and radiation treatments. These cancers are found in the esophagus, liver, stomach, pancreas, colon, rectum, and nearby organs. People with known or suspected cancer can be seen by one of our cancer specialists within 72 hours.