Figure 1

Immunohistochemical staining of P63 in Kazakh ESCC and CAN tissues.
(A) Esophageal squamous cell carcinoma(ESCC) tissue. Note strong staining of P63 (3+) in squamous epithelial cancer cells (original magnification ×200). (B) Cancer adjacent normal esophageal tissue(CAN). Note the weak positive staining (+)of P63 in squamous epithelial cells (original magnification ×200).