Varian Medical Systems has announced for the fourth year in a row that its Eclipse treatment planning software has been named Category Leader for Oncology Treatment Planning in the 2017 Best in KLAS: Software and Services Report by KLAS, an independent research firm specializing in monitoring and reporting on the performance of health care vendors.

Eclipse software is in use at some 3,400 cancer treatment centers around the world. The software creates an optimized radiotherapy treatment plan based on a physician’s dose instructions, and information about the size, shape and location of the tumor to be treated with radiation. The Eclipse software incorporates unique features such as RapidPlan knowledge-based planning, which makes it easier and faster to plan sophisticated cancer treatments like intensity-modulated radiotherapy (IMRT), image-guided radiotherapy (IGRT), and RapidArc radiotherapy.