Immunohistochemical analysis demonstrated CK8/18 (Figure 2D) and CKp expression in adenocarcinoma, CK5/6(Figure 2E) and p40 (Figure 2F) expression in the squamous cell carcinoma, and a PD-L1 (Figure 2G) CPS score of 80. This evidence concerns the gene KRT5 and squamous cell carcinoma.