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Patient characteristics
| Characteristics | |
| Age (years) | |
| Median | 65.8 |
| Range | 59–75 |
| Sex | |
| Male | 10 (83%) |
| Female | 2 (16%) |
| ECOG performance status | |
| 0 | 5 (42%) |
| 1 | 7 (58%) |
| Stage at diagnosis | |
| IIIB | 3 (25%) |
| IV | 9 (75%) |
| Histological type | |
| Squamous | 3 (25%) |
| Adenocarcinoma | 8 (66%) |
| NOS | 1 (8%) |
| Smoking status | |
| Former smoker | 6 (50%) |
| Smoker | 5 (41%) |
| Never smoker | 1 (8%) |
ECOG, Eastern Cooperative Oncology Group; NOS, not otherwise specified.
