Table 1.
Patient characteristics (N = 15)
| Gender | |
| Male/female (n) | 3/12 |
| Age (years), median (range) 79 (75–87) | |
| ECOG PS [n (%)] | |
| 0–1 | 13 (86.7) |
| 2 | 2 (13.3) |
| Clinical stage [n (%)] | |
| IIIB | 2 (13.3) |
| IV | 11 (73.4) |
| Recurrence | 2 (13.3) |
| Histological type [n (%)] | |
| Adenocarcinoma | 15 (100) |
| Smoking history [n (%)] | |
| Never smoker | 12 (80) |
| Light smoker | 3 (20) |
| EGFR mutation [n (%)] | |
| Exon 19 del | 3 (20) |
| Exon 21 L858R | 11 (73.4) |
| Exon 18 G719 | 1 (6.6) |
| No. of prior treatment regimen [n (%)] | |
| 0 | 13 (86.7) |
| 1–2 | 2 (13.3) |
ECOG Eastern Cooperative Oncology Group; PS performance status