Varian Medical Systems, Inc. is a manufacturer of medical devices and software for treating cancer and other medical conditions. The Company is an also a supplier of X-ray imaging components. It operates through two segments: Oncology Systems and Imaging Components. The Oncology Systems segment designs, manufactures, sells and services hardware and software products for treating cancer with conventional radiation therapy and treatments, and brachytherapy, as well as informatics software for information management, clinical knowledge exchange, patient care management, practice management and decision-making support for cancer clinics, radiotherapy centers and medical oncology practices. The Imaging Components segment designs, manufactures, sells and services X-ray imaging components for use in a range of applications, including radiographic or fluoroscopic imaging, mammography, special procedures, computed tomography, computer-aided diagnostics and industrial applications.