Fig. 3.
Pathological findings of the tumor. a. Spindle cells embedded in collagenous matrix were observed (a H&E). On immunohistochemistry, β-catenin (b) was positive. CD34 (c) and STAT6 (d) were negative, and bcl-2 (e) was slightly positive
Pathological findings of the tumor. a. Spindle cells embedded in collagenous matrix were observed (a H&E). On immunohistochemistry, β-catenin (b) was positive. CD34 (c) and STAT6 (d) were negative, and bcl-2 (e) was slightly positive