Figure 4.

(A and B) H & E staining viewed under x 10 and x 40 (respectively) showing a well differentiated squamous cell carcinoma with invasion of lamina propria and muscularis propria and absent lymphovascular invasion.

(A and B) H & E staining viewed under x 10 and x 40 (respectively) showing a well differentiated squamous cell carcinoma with invasion of lamina propria and muscularis propria and absent lymphovascular invasion.