3Iwaya TMaesawa C, Tamura G, et al. Esophageal carcinoma sar- coma genetic analysis [J].Gastroentrology,1997,113(3) :973.
4Iascone C, Barreca M. Carcinoma and pseudosarcoma of the e- sophagus., two names, one disease : comprehensive of the literature [J]. WorId J surg,1999,23:153.
5Ota S,Kato A,kobayashi H,et al. Monoclonal origin of an esoph- ageal carcinosarcoma producing Granulocytecolony stimulating factor [J]. cancer,1999,82(11) :2012.
6Mazur MT, Clark HB. Gastric stromal tumors. Reappraisal of histogenesis [J]. AmJ Surg Pathol, 1983, 7 (6): 507-519.
7Miettinen M, Sobin LH, Lasota J. Gastrointestinal stromal tumors of the stomach : clinicopathologic,imrnunohistochemical, and molecular genetic study of 1765 cases with long term follow-up [J]. Am J Surg Pathol, 2005, 29 (1): 52-68.
8Fletcher CD, Berman JJ, Corless C, et al. Diagnosis of gastrointestinal stromal tumors: A consensus approach [J]. Hum Pathol, 2002, 33 (5): 459-465.
9Sarloma RM, Kovatich AJ, Barusevicuis A, et al. CD117:a sensitive marker for gastrointestinal stromal tumors that is more specificthan CD34 [J]. Mod Pathol, 1998, 11 (8): 728-734.
10Heinrich MC, Rubin BP, Longley B, et al. Biology and genetics aspects of gastrointestinal stromal tumors. KIT activation and cytogeneticalterations [J]. Hum Pathol, 2002, 33 (5): 484- 495.