All of the following modalities can be used for in situ ablation of liver secondaries, except
High-Yield Explanation
Local (in situ) ablative therapies for liver secondaries Cryotherapy - in situ destruction of tissues by freeze-thaw process. Radio frequency ablation - a probe inseed into the middle of the tumor emits radiofrequency waves from its tip, which heats the surrounding tissue, resulting in coagulative necrosis. Percutaneous ethanol injection Trans catheter chemoembolization Ref : Devita's Cancer: Principles & Practice, 7/e, p 2362