Figure 4.
p16 immunohistochemical stain performed on cell block from metastatic squamous cell carcinoma to cervical lymph node, showing strong and diffuse nuclear and cytoplasmic positivity (Hematoxylin counterstain, ×200)
p16 immunohistochemical stain performed on cell block from metastatic squamous cell carcinoma to cervical lymph node, showing strong and diffuse nuclear and cytoplasmic positivity (Hematoxylin counterstain, ×200)