Table 2.
Baseline characteristics of the 17 esophageal cancer patients.
| Characteristics | n | Percentage (%) |
| Sex | ||
| Male | 14 | 82.4 |
| Female | 3 | 17.6 |
| Age | ||
| ≤70 yrs | 11 | 64.7 |
| >70 yrs | 6 | 35.3 |
| ECOG PS | ||
| 1 | 5 | 29.4 |
| 2 | 12 | 70.6 |
| Histology | ||
| Squamous carcinoma | 15 | 88.2 |
| Adenocarcinoma | 1 | 5.9 |
| Small cell carcinoma | 1 | 5.9 |
| Treatment | ||
| First-line treatment | 10 | 58.8 |
| Second-line and above treatment | 7 | 41.2 |
| Metastatic location | ||
| Distant lymph node | 6 | 35.3 |
| Lung | 8 | 47.1 |
| Liver | 5 | 29.4 |
| Bone | 2 | 11.8 |
| Brain | 2 | 11.8 |
| Metastases | ||
| Single organ | 10 | 58.8 |
| Multiple organs | 7 | 41.2 |
ECOG PS = Eastern Cooperative Oncology Group Performance Status.