Table 1. Five-year survival rate based on postoperative stage and treatment regimen of SCLC from previously published retrospective studies.
| Stage | Study | Cases | Treatment | 5-OS rate (%) |
|---|---|---|---|---|
| I | Asamura (5) | 206 | S ± C ± R | 59 |
| Lim (6) | 30 | S ± C ± R | 60 | |
| Takenaka (7) | 44 | S ± C ± R | 62 | |
| 6 | C ± R | 25 | ||
| Weksler (8) | 682 | S ± C ± R | 45 | |
| 2,000 | C ± R | 16 | ||
| II | Asamura (5) | 58 | S ± C ± R | 35 |
| Lim (6) | 13 | S ± C ± R | 49 | |
| Takenaka (7) | 27 | S ± C ± R | 33 | |
| 26 | C ± R | 24 | ||
| Weksler (8) | 212 | S ± C ± R | 30 | |
| 666 | C ± R | 12 | ||
| III | Asamura (5) | 100 | S ± C ± R | 31 |
| Lim (6) | 10 | S ± C ± R | 50 | |
| Takenaka (7) | 17 | S ± C ± R | 18 | |
| 157 | C ± R | 18 |