| Stage of disease | Number of patients | |
| I | 3 | (3) |
| IIa | 11 |
|
| IIb | 15 | (26) |
| IIIa | 7 |
|
| IIIb | 9 |
|
| IIIc | 35 | (51) |
| Total | 80 | (80) |