Table 1.

Patient and tumor characteristics

Total number of patients	75
No. of males	45 (60%)
No. of females	30 (40%)
Age (mean; SD)	65;13.19
Total number of tumors treated	118
Tissue collected of tumors	89
Tumor histology
HCC	18 (20.2%)
LM	71 (79.8%)
Differentiation primary tumor liver metastases (n = 71)
Good	1 (1.4%)
Moderate	54 (77.5%)
Poor	6 (8.5%)
Tumor diameter (mean; SD)	3 cm; 1.8
Local ablative technique
RFA	73 (82%)
LITT	16 (18%)
Tumor localization
Subcapsular	47 (55.3%)
Deep	38 (42.7%)
Approach
Open procedure	61 (68.5%)
Percutaneous	28 (31.5%)
Electrode
Radiotherapeutics	29 (32.6%)
RITA	16 (18%)
Radionics	28 (31.5%)
Laser fiber	16 (18%)
Track ablation
Yes	56 (62.9%)
No	30 (33.7%)
Missing	3 (3.4%)
Viable cells
Yes	26 (29.2%)
No	63 (70.8%)

SD standard deviation