Researchers at UC San Diego Moores Cancer Center, with colleagues from Memorial Sloan Kettering Cancer Center and Fox Chase Cancer Center, have determined that a specific region of the small bowel, called the duodenal-jejunal flexure (or DJF), shows a high frequency of GISTs with mutations of the NF1 gene. Results of the study were published in the August 2017 online issue of JCO Precision Oncology.  Click here to view the article