Research Article

Role of HPV-16 in Pathogenesis of Oral Epithelial Dysplasia and Oral Squamous Cell Carcinoma and Correlation of p16INK4A Expression in HPV-16 Positive Cases: An Immunohistochemical Study

Table 3

TNM staging of oral squamous cell carcinoma.

StageTotal number of cases (%)

Stage I9 (45%)
Stage II7 (35%)
Stage III4 (20%)
Stage IV00

Total20