Table 1.
Patient characteristics
| Characteristic | n (%) |
|---|---|
| Age at enrollment, years | |
| Mean | 62.6 |
| Median (range) | 64 (46–74) |
| Sex | |
| Female | 7 (37) |
| Male | 12 (63) |
| ECOG performance status score | |
| 0 | 10 (56) |
| 1 | 9 (47) |
| Smoking status | |
| Never | 8 (42) |
| Former or current | 11 (58) |
| Drinking status | |
| Never | 9 (47) |
| Former or current | 10 (56) |
| Location | |
| Cervical segment | 1 (5) |
| Upper thoracic segment | 5 (26) |
| Middle thoracic segment | 11 (58) |
| Inferior thoracic segment | 2 (11) |
| AJCC8 disease stage | |
| II | 1 (5) |
| III | 11 (58) |
| IV | 7 (37) |
Abbreviations: AJCC8, 8th edition of the American Joint Committee on Cancer Staging Manual (2017); ECOG, Eastern Cooperative Oncology Group.