Turnville Bay MRI & Radiation Oncology Center specializes in the treatment of cancer and other diseases. It offers a range of services, such as external beam radiation, stereo tactic radio surgery for cancers and other abnormalities of head and neck and intensity modulated radiotherapy (IMRT), etc. Located in Madison, Wis., its treatment procedures include seed implantation (brachytherapy). The Magnetic Resonance Imaging (MRI) is an invasive diagnostic procedure, which allows physicians to see detailed images of the internal structures of body without using X-rays. This technology uses a large magnet, radio waves and a computer to scan patient s body.