Table 1. Baseline patient characteristics (n=34).

Median age, years (range)	56 19–74
Sex
Male	26 76%
Female	8 24%
Karnofsky performance status
100	11 32%
90	11 32%
80	6 18%
70	6 18%
Prior therapy
Nephrectomy	12 35%
Excision of metastatic lesions	6 18%
None	19 56%
Number of disease sites
1	1 3%
2	10 29%
3	12 35%
4 or more	11 32%
Most common sites of disease
Primary kidney tumour	22 65%
Local recurrence kidney bed	7 21%
Lung/pleura	20 59%
Lung metastasis alone	0 0%
Lymph node	17 50%
Liver	10 29%
Bone	13 38%
Soft tissue	10 29%