Clinical Presentation of Wide Field of Cancerization Associated with Oral Squamous Cell Carcinoma

Table 7

TNM staging.

	Frequency (%)
Tumor staging
T4a	71 (76.3%)
T3	19 (20.4%)
T4b	2 (2.2%)
T2	1 (1.1%)
Lymph node involvement
N2a	38 (40.9%)
N2b	27 (29.0%)
N1	22 (23.7%)
N3	3 (3.2%)
N2c	2 (2.2%)
Metastasis
M0	93 (100%)