Figure 5From: Segmental resection of the duodenum for gastrointestinal stromal tumor (GIST)Histology. Microscopic appearance of the GIST located in the submucosa of the duodenum (left; H&E, original magnification ×10). It consists of small spindle-like tumor cells (middle; H&E, original magnification ×20) with CD117 – positivity (right; original magnification ×10).Back to article page