According to Dr. Sridhar Papaiah Susheela, a renowned radiation oncologist in India, CyberKnife radiosurgery is a blessing and a cutting-edge painless and non-invasive technique to treating various types of cancer. Thankfully, CyberKnife radiosurgery allows you to lay comfortably on the operating table without the need for any anaesthetic while the robotic arm glides to treat the entire tumour without coming into contact with your body.