Table 1 Patient characteristics
| Â | Number of patients | % |
|---|---|---|
Age, year | Â | Â |
   Range | 20-70 |  |
   ≥ 60 | 23 | 23.7 |
   < 60 | 74 | 76.3 |
Gender | Â | Â |
   Male | 70 | 72.2 |
   Female | 27 | 27.8 |
Histology | Â | Â |
   WHO Type I | 0 | 0 |
   WHO Type II | 0 | 0 |
   WHO Type III | 97 | 100 |
Stage | Â | Â |
   T1 | 20 | 20.6 |
   T2 | 50 | 51.5 |
   T3 | 9 | 9.3 |
   T4 | 18 | 18.6 |