Resources for Gastrointestinal Cancers at UCSF: Information on Gastrointestinal Cancers from the UCSF Medical Center Colo-Rectal Cancer Support Group through the Cancer Resource Center Gastrointestinal Cancer Clinical Trials at UCSF: Gastrointestinal Anal Colon Esophageal and Gastric (including GE junction) Hepatocellular Carcinoma (liver cancer) Neuroendocrine Tumors (NET) Pancreatic Rectal