Table 1.
Summary of patient characteristics
| Characteristics | |
| No. of patients | 53 |
| Age (mean, yr) | 68 (40-92) |
| Gender | 44 male, 9 female |
| Length of follow-up (mean, mo) | 16, (2-72) |
| Histology of primary tumor | |
| Adenocarcinoma | 44 |
| Squamous cell carcinoma | 9 |
| Grade of tumor | |
| 1 | 2 |
| 2 | 13 |
| 3 | 19 |
| 4 | 7 |
| Unknown | 12 |
| Stage | |
| IIA | 5 |
| IIB | 2 |
| III | 18 |
| IVA | 8 |
| IVB | 17 |
| Unknown | 3 |
| Treatment | |
| Chemo-radiation/surgery | 10 |
| Chemo-radiation | 22 |
| Surgery/chemo-radiation | 4 |
| Surgery/radiation | 4 |
| Radiation (palliative) | 13 |
| Sites of metastases | |
| Brain | 7 |
| Liver | 14 |
| Lung | 1 |
| Chest | 1 |
| Spine | 3 |
| Other | 8 |