Table 1. Patient characteristics.

Characteristics	Values
Age (years)	53 (range 37–87)
Gender (male/female)	5/17 (22.7%/77.3%)
Karnofsky performance score ≧ 70	22 (100%)
Primary tumor
Cervical cancer	10 (45.5%)
Rectal cancer	4 (18.2%)
Ovarian cancer	2 (9.1%)
Ureter carcinoma	2 (9.1%)
Hodgkin lymphoma	2 (9.1%)
Duodenal cancer	1 (4.5%)
Renal pelvic carcinoma	1 (4.5%)
Symptoms
Presented	15 (68.2%)
None	7 (31.8%)
Contemporary with other site metastases
Yes	9 (40.9%)
No	13 (59.1%)
Prior external beam irradiation
Yes	14 (63.6%)
None	8 (36.4%)
Prior chemotherapy
Yes	19 (86.4%)
None	3 (13.6%)
Lesions per patient (N)
=1	19 (86.4%)
>1	3 (13.6%)