The purpose of Prowess Panther TPS is to provide a complete program for radiation therapy treatment planning. This includes computation, display, evaluation, and output documentation of radiation dose estimations to be submitted for independent clinical review and judgment prior to use. The device provides data in the form of display, hardcopy prints and/or plots to guide a physician in selecting the optimum patient treatment plan. Panther treatment planning system allows radiation physicians, physicists, and dosimetrists to optimize the delivery of radiation in treating cancer and related diseases.