GIST Cancer UK is an organization dedicated to supporting patients with Gastro-Intestinal Stromal Tumour (GIST) cancer and funding research into this rare disease. They offer a wide range of services to help individuals affected by GIST, including a confidential helpline and online forums for exchanging information and support among patients and caregivers. In addition to direct patient support, GIST Cancer UK actively promotes research for more effective treatments. They encourage donations and fundraising efforts and emphasize the importance of tissue donation to The National GIST Biobank for essential research.