Prognostic Prediction of Oral Squamous Cell Carcinoma by E-Cadherin and N-Cadherin Expression in Overall Cells in Tumor Nests or Tumor Cells at the Invasive Front

Representative views of immunohistochemical reactions for E-cadherin and N-cadherin in OSCC specimens. The expression of E-cadherin in each intensity grade from a strong (++), moderate (+), and weak (±) to no (？) signal (a-d), and the expression of N-cadherin in each intensity grade from no (？), a weak (±), and moderate (+) to a strong (++) signal (e-h). Arrows in (g) indicate a positive signal for N-cadherin in a tumor nest composed of OSCC cells with a squamous cell appearance. Original magnification ×20