Neto, Mário Rodrigues Montemor Gastrointestinal stromal tumor: report of two unusual cases. [electronic resource] - Virchows Archiv : an international journal of pathology Jun 2004 - 594-6 p. digital Publication Type: Case Reports; Letter ISSN: 0945-6317 Standard No.: 10.1007/s00428-004-1009-1 doi Subjects--Topical Terms: AgedBiomarkers, Tumor--analysisFemaleGastrointestinal NeoplasmsHumansImmunohistochemistryMiddle AgedNeoplasms, Connective Tissue--chemistryPancreatic Neoplasms--chemistryProto-Oncogene Proteins c-kit--analysisRetroperitoneal Neoplasms--chemistryStromal Cells--chemistry