Table 1. The clinical and histopathological characteristics of the 21 patients.
| Characteristics | No. of patients (n=21), n (%) |
|---|---|
| Age | |
| <65 years | 10 (47.6) |
| ≥65 years | 11 (52.4) |
| Gender | |
| Male | 19 (90.5) |
| Female | 2 (9.5) |
| PS (ECOG) | |
| 0–1 | 17 (81.0) |
| 2 | 4 (19.0) |
| Histology | |
| NSCLC | 5 (23.8) |
| Adenocarcinoma | 4 (19.0) |
| Squamous cell | 1 (4.8) |
| Metastasis (primary tumor) | 16 (76.2) |
| Gastric | 1 (4.8) |
| Colon | 1 (4.8) |
| Esophageal | 4 (19.0) |
| Bladder | 1 (4.8) |
| Nasopharyngeal cancer | 4 (19.0) |
| Hypopharynx | 1 (4.8) |
| Kidney | 2 (9.5) |
| Ovarian | 1 (4.8) |
| Other | 1 (4.8) |
| Tumor location | |
| Central | 4 (19.0) |
| Peripheral | 11 (52.4) |
| Central and peripheral | 6 (28.6) |
NSCLC, non-small cell lung cancer.