Table 2.

Initial TNM staging.

	N0	N1	N2	N3	Total
T0	2	0	2	0	4
T1	14	0	8	4	26
T2	25	14	22	11	72
T3	16	8	16	2	42
T4	16	6	11	4	37
Tx	0	2	0	0	2
Total	73	30	59	21	183

Six patients had metastatic disease.