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
Ultrasonic waves
Cryotherapy
Alcohol
Radio frequency