14 Sato Sato O O Wada Wada T T Kawai Kawai A A Yamaguchi Yamaguchi U U Makimoto Makimoto A A Kokai Kokai Y Y Gastrointestinal stromal tumor of pancreas: case report with documation of KIT gene mutation Gastrointestinal stromal tumor of pancreas: case report with documation of KIT gene mutation Cancer. The gene discussed is KIT; the disease is gastrointestinal stromal tumor.