All of the following modalities can be used for in-situ ablation of liver secondaries, except –

Treatment modalities for liver secondaries Liver transplant (in patients with single lesion < 5 cm or three or fewer, lesions < 3 cm) Hepatic artery embolization & chemotherapy (chemoembolization) Intralesional in situ ablation via ultrasound-guided          Percutaneous ethanol (alcohol) injection          Cryotherapy          Radiofrequency ablation          Microwave coagulation therapy