Radiofrequency (RF) ablation is becoming an accepted treatment modality for many tumors of the liver and is being explored for tumors in the lung, kidney, and bone. While RF energy is the most familiar heat source for tissue ablation, it has certain limitations that may hamper its efficacy in these new organ systems.
http://www.sciencedirect.com/science/article/pii/S0363018807000771
Radiofrequency and Microwave Ablation of the Liver, Lung, Kidney, and Bone: What Are the Differences?