Case Report
Copyright ©The Author(s) 2021.
World J Clin Cases. Jul 26, 2021; 9(21): 6155-6169
Published online Jul 26, 2021. doi: 10.12998/wjcc.v9.i21.6155
Figure 4
Figure 4 Histological images. A, B: The tumor is formed of disordered myofibroblasts and fibroblasts. Focal abundant polymorphonuclear infiltration can be seen (top and bottom left) (HE x 200); C: Negative ALK-1 immunohistochemical reaction.