Inclusion Criteria:

- Patients with diagnosed with secondary hepatic malignancy;

- Patients with confined liver disease or stable limited extrahepatic disease;

- Lesions of 5cm or less in maximum diameter;

- Patients who are not surgical candidates or refuse to undergo surgery and choose any
percutaneous ablation as an alternative treatment option.

- INR<1.5 *for patients on Coumadin general clinical guidelines for IR ablation will be
followed.

- Platelet count > or = to 50,000

Exclusion Criteria:

- Patients < 18

- Less than 5 mm distance of the tumor margin from a major vessel >7mm in diameter)

- Less than 5 mm distance to a structure (GI or biliary tract), that cannot be
protected from

- the ablation injury with technical modifications such as hydro or air dissection.

- INR > 1.5 that cannot be corrected with fresh frozen Plasma *for patients on Coumadin
general clinical guidelines for IR ablation will be followed.

- Platelet count of <50,000 that cannot be corrected with transfusion.

- Patient with more than 3 tumors treated with any percutaneous ablation

- Patients with more than 5 sites of extrahepatic disease (including nodes and
pulmonary nodules)