GSI is an organization dedicated to providing education and support to families that are affected by GastroIntestinal Stromal Tumors, a sarcoma cancer. We are an ALL VOLUNTEER organization and we have NO paid employees. We support a membership of over 1100 worldwide at this time. We have a web site : www.gistsupport.org. Members can e-mail through our list serve and cyber connect with patients, families and caregivers around the world.