Dr. Saif is an internationally known clinical and translational researcher in the field of gastrointestinal cancers. He has published widely on the molecular biology, early detection, and treatment of gastrointestinal malignancies. He has both clinical and research interests in the treatment of GI cancers (liver, pancreas, biliary, colon, rectum, carcinoid, GIST, stomach, esophagus, anal) and works closely with Tufts surgeons, interventional radiologists, gastroenterologists, and endocrinologists as part of a multi-disciplinary group. In addition, he specializes in new drug development and phase 1 clinical trials for patients with advanced carcinoid and other GI tumors.