IMPAC Medical Systems, Inc., an Elekta company, is a leading provider of oncology IT solutions that organize clinical and business operations to improve the process of delivering patient care. Elekta is an international medical technology group, which provides state of the art tools to oncologists, radiation therapists, neurosurgeons and many other medical specialists to diagnose and fight against serious diseases . Impac Software offers oncology charting, practice management, clinical laboratory, anatomic pathology, cancer registry, and outcomes reporting solutions .