Table 1. Patient characteristics.
| Total no. of patients | 40 |
| Age, median (range) | 67 (41–74) |
| Sex | |
| Male | 29 |
| Female | 11 |
| ECOG performance status | |
| 0 | 9 |
| 1 | 30 |
| 2 | 1 |
| Disease extent at relapse | |
| Limited disease | 5 |
| Extensive disease | 35 |
| Prior chemotherapy | |
| CDDP/ETOP | 11 |
| CBDCA/ETOP | 11 |
| CDDP/ETOP/CODE | 6 |
| CDDP/CPT-11 | 6 |
| PEI | 2 |
| Others | 4 |
| Prior thoracic radiotherapy | 8 |
ECOG=Eastern Cooperative Oncology Group; CDDP=cisplatin; ETOP=etoposide; CBDCA=carboplatin; CODE=cisplatin/vincristine/doxorubicin/etoposide; CPT-11=irinotecan; PEI=cisplatin/etoposide/irinotecan.