Co-existing squamous cell carcinoma and chronic myelomonocytic leukemia with ASXL1 and EZH2 gene mutations: A case report

Figure 3 Immunohistochemistry results and pathological manifestations of non-small cell lung cancer squamous cell carcinoma. A: HE staining was used to observe the pathological manifestation (×100 magnification); B: Nuclear positive (P40, ×100 magnification); C: Cytoplasmic positive (CK5/6, ×100 magnification); D: Tumor cells with large and deeply stained nuclei, significant nucleoplasmic heterogeneity, keratinization in some areas, rich blood vessels, tumor cells growing around blood vessels, and polarity disappearing in some areas, showing solid nests (HE, ×400 magnification); E: Nuclear positive (P40, ×200 magnification); F: Cytoplasmic positive (CK5/6, ×200 magnification).