Case Report
Copyright ©The Author(s) 2021.
World J Clin Cases. Jul 6, 2021; 9(19): 5259-5265
Published online Jul 6, 2021. doi: 10.12998/wjcc.v9.i19.5259
Figure 4
Figure 4 Immunohistochemical findings. A and B: Immunohistochemical staining showed that the regions of squamous cell carcinoma were positive for P53 and negative for P16 (× 20); C: The Ki-67 index was 90% (× 20); D: The observed foam cells were strongly positive for CD68 (× 20).