Table 1.
Primary tumor types of 92 patients in this study
| Primary tumor type | Number of patients | Percent |
|---|---|---|
| Breast | 4 | 4.3 |
| Colon | 7 | 7.6 |
| Kidney | 18 | 19.6 |
| Liver | 3 | 3.3 |
| Lung | 20 | 21.6 |
| Prostate | 12 | 13.0 |
| Thyroid | 7 | 7.6 |
| Unknown† | 9 | 9.8 |
| Sarcoma | 4 | 4.3 |
| Other* | 8 | 8.7 |
| Total | 92 | 100.0 |
* Others include gallbladder carcinoma, one case; uterus, two cases; larynx carcinoma, one case; lymphoma, one case; pancreas carcinoma, two cases; and malignant pheochromocytoma, one case; †unknown = patients whose primary tumor type was unclear.