GIST Localisation(GSRCB*) n=1295 esophagus 1,1% stomach 59,1% small bowel 32. 2% large bowel 5, 2% (pref rectum) E-GIST 2,4% E-GIST Extra-gastrointestinal GIST GSRCB: GIST and Sarcoma Registry Cologn e/Bonn) Courtesy of Dr E. Wardelmann