Littleton Radiation Oncology is a cancer treatment center in Denver, Colorado that offers a rare blend of leading-edge technology and individual attention for every cancer patient who seeks our assistance. Unlike hospitals and other cancer treatment centers, our independent cancer treatment facility is not in an institutional setting. Instead, it provides advanced treatment options in a personal, warm, and caring environment. We specialize in treating all types of cancer with the most advanced technology available—including linear accelerators, which deliver a uniform dose of high-energy x-rays to treat tumors.