National Comprehensive Cancer Network (NCCN)  has consensus guidelines for GIST diagnosis and treatment. You must complete a free registration to view the relevant documents on their website, including:
- Soft Tissue Sarcoma Guidelines
- GIST Task Force Reports
Novartis Oncology's website for health professional information about GIST is called GIST The Facts at  This site includes illustrated pages about GIST diagnosis and treatment as well as slide shows narrated by physicians familiar with GIST.