Fig. 3From: Transvaginal excision of rectal stromal tumors: case reports and a literature reviewHistopathology of the biopsy specimen. a Histopathology showed the cells were shown as spindle-shaped and differentiated moderately. b The tumor was resected with a clear margin. Immunohistological results showed that CD117 (c), Dog-1 (d), and CD34 (e) were all positive, indicating a moderate-risk GISTBack to article page