Oncology imaging and treatment planning systems continue to offer more tailored and precise radiation treatment planning and delivery. Vendors at RSNA 2007 are showcasing how advances are allowing healthcare facilities of all sizes to leverage software for quality assurance, improved workflow efficiency and management of multiple machines.Collimator advancements allow for finer beam shaping, letting physicians craft the best treatment for cancerous lesions while better preserving healthy tissue. The ability to more precisely measure lesion growth helps physicians better tailor treatment, so systems designed to track growth play a vital role in oncology imaging. Also look for offerings that allow for better PACS integration and systems communication.