n (%)

Masaoka

Stage I

23 (35.4%)

Stage II

18 (27.7%)

Stage III

11 (16.9%)

Stage IV

13 (20.0%)

WHO (n = 60)

A

4 (6.7%)

AB

9 (15.0%)

B

46 (76.7%)

Mixed

1 (1.6%)