Clinical, Pathologic, and Treatment Characteristics (n = 22)
| Characteristic | n |
| Sex | |
| Male | 6 (27) |
| Female | 16 (73) |
| Presentation status | |
| Primary | 7 (32) |
| Recurrent or residual | 15 (68) |
| Histology | |
| Adenocarcinoma | 17 (77) |
| Squamous cell carcinoma | 3 (14) |
| Not otherwise specified | 1 (4.5) |
| Large cell carcinoma | 1 (4.5) |
| Stage | |
| IIIB | 3 (14) |
| IV | 19 (86) |
| Tumor size (cm) | |
| Median | 2.4 |
| Range | 1.0–9.0 |
| Smoker | |
| Yes | 10 (45) |
| No | 12 (55) |
| Treatment | |
| Erlotinib | 17 (77) |
| Erlotinib plus fulvestrant | 3 (14) |
| Erlotinib plus celecoxib | 2 (9) |
Data in parentheses are percentages. Median age was 64 y, and age range was 42–86 y.