Evaluation of Prognosis for Malignant Rectal Gastrointestinal Stromal Tumor by Clinical Parameters and Immunohistochemical Staining

PURPOSE:The aim of this study was to identify associated prognostic factors influencing the outcome of curative resection of rectal gastrointestinal stromal tumor.PATIENTS AND METHODS:Diagnostic immunohistochemical staining with CD34, CD117, S-100, desmin, and muscle-specific actin was performed in