Table 1

Patient characteristics

Patients (n = 50)

Patient characteristic

No

%

Age, years

Median

51

Range

35–74

Sex

Male

32

64

Female

18

36

Origins

Primary lung tumors

23

46

Metastases from breast

13

26

Metastases from colon

9

18

Metastases from other places

5

10

No. of patient with lesions

Single lesion

17

34

Multiple lesions

33

66

Total lesions received RFA

120

Kang et al. World Journal of Surgical Oncology 2004 2:30   doi:10.1186/1477-7819-2-30