Denver Realtor is Treated by Cyberknife for Prostate Cancer Larry Hotz was diagnosed with prostate cancer in August. Treatment choices included surgery or broad-beam radiation initially. Although his urologist didn't mention a third technique, he found and eventually decided to try to newer radiation technique called Cyberknife. It is laser focused radiation. He changed urologists to Dr. Stan Galanski and was referred to Dr. Dickerson for the treatments. Dr. Dickerson has preformed 4000 treatments on nearly 800 patients. Larrry continued to work showing homes and selling homes while he was treated 5 times over a two week period.