==References====Sources====External links==*"Prognosis in GIST" ESUN (August 15, 2006)*SPAEN (Sarcoma Patients EuroNet) - European Network of Sarcoma, GIST and Desmoid Patient Advocacy Groups*GIST Support International*Life Raft Group International GIST Advocacy Organization*Project FLAG - GISTs that occur in families*American Cancer Society Patient Guide to GIST tumors.
* "Prognosis in GIST" ESUN (August 15, 2006)* SPAEN (Sarcoma Patients EuroNet) — European Network of Sarcoma, GIST and Desmoid Patient Advocacy Groups* GIST Support International* Life Raft Group International GIST Advocacy Organization* Project FLAG — GISTs that occur in families* American Cancer Society Patient Guide to GIST tumors.