Table 1 Baseline clinicopathologic characteristics of the patients included in this study
Characteristic | No. (%) |
|---|---|
Age, median (range), y | 53 (47–77) |
Sex | Â |
 Male | 10 (62.5) |
 Female | 6 (37.5) |
ECOG performance status | Â |
 1 | 12 (75.0) |
 2 | 4 (25.0) |
Extrathoracic lesions | Â |
 Stomach | 5 (31.2) |
 Colon/rectum | 7 (43.8) |
 Cervix | 4 (25.0) |
Histology | Â |
 Adenocarcinoma | 11 (68.8) |
 Squamous cell carcinoma | 1 (6.3) |
 Poorly-undifferentiated carcinoma | 3 (18.8) |
 Other | 1 (6.3) |
Smoking history | Â |
 Never-smoker | 11 (68.6) |
 Ever-smoker | 5 (31.3) |
Family history of cancer | Â |
 No | 9 (56.3) |
 Yes | 7 (43.8) |