Table 8.

Overall tumor staging.

	Frequency (%)
Staging
Stage IVa (T4a + N0/N1/N2 M0)	69 (74.2%)
Stage III (T3 + N0/N1 + M0)	14 (15.1%)
Stage IVb (any T + N3 + M0)	4 (4.3%)
Stage IVb (T4b + any N + M0)	3 (3.2%)
Stage III (T1/T2 + N1 + M0)	3 (3.2%)