Table 1. Patient characteristics (N=25).

Variable	Number of patients
	n	%
Age (years)
Median	57	—
Range	41–76	—
Gender
Male	15	60
Female	10	40
Performance Status
0	6	24
1	18	72
2	1	4
Type of cancer
NSCLCa	12	48
Colorectal	6	24
Breast	4	16
Other (renal cell and oesophageal)	3	12
Number of brain metastases
1	6	24
2 or 3	13	52
4 or more	6	24
Extracranial disease
Yes	23	92
No	2	8
Previous chemotherapy
Yes	12	48
No	13	52

^aNSCLC=non-small-cell lung cancer.