Table 5.
Comparison of clinical results of radiotherapy for non-small cell lung cancer in Japan.
| Authors | Total Number | Stage | Number of Patients | Median Follow-Up Time | Treatment Methods | 3-Year OS | 5-Year OS | 3-Year LC | Grade ≥3 Pneumonitis |
|---|---|---|---|---|---|---|---|---|---|
| Nagata et al. [7] | 168 | IA | 104 (inoperable) | 47 months | SBRT | 59.9% | 42.8% | 87.3% | 8.7% |
| 64 (operable) | 67 months | 76.5% | 54.0% | 85.4% | 3.1% | ||||
| Ohnishi et al. [13] | 440 | IA | 277 | 38 months | PBT | 80.7% | - | 92.2% | 1.0% |
| IB | 163 | 73.0% | - | 79.0% | 3.6% | ||||
| Present study | 57 | IA | 39 | 61 months | CIRT | 89.7% | 81.6% | 97.4% | 0 |
| IB | 18 | 94.4% | 82.1% | 94.1% | 0 |
Abbreviations: SBRT: stereotactic body radiotherapy; PBT: proton beam radiotherapy; CIRT: carbon-ion radiotherapy.