Stage {TNM (number of cases)}

Number of cases (%)

I {T1N0M0(2)}

2 (4.5%)

IIA {T1N1M0(1); T2N0M0(9)}

10 (22.7%)

IIB {T2N1M0(11); T3N0M0(3)}

14 (31.8%)

IIIA {T3N1M0(2)}

2 (4.5%)

IIIB {T4N0M0(2); T4N1M0(4); T4N2M0(1)}

7 (15.9%)

IIIC {all TN3M0(0)}

0

IV {all TNM1(4)}

4 (9%)

Undetermined

5 (11.7%)