FLI1 and primitive neuroectodermal tumor: 3 Tokudome Tokudome N N Tanaka Tanaka K K Kai Kai MH MH Sueyoshi Sueyoshi K K Matsukita Matsukita S S Setoguchi Setoguchi T T Primitive neuroectodermal tumor of the transverse colonic mesentery defined by the presence of EWS-FLI1 chimeric mRNA in a japanese woman Primitive neuroectodermal tumor of the transverse colonic mesentery defined by the presence of EWS-FLI1 chimeric mRNA in a japanese woman J Gastroenterol.