the treatment planning engine empowers radiation treatment decision makers , such as a physician , to efficiently identify effective radiation treatment outcomes for a given patient during the contouring stage . specifically , using the treatment planning engine , the physician may iteratively and in real - time evaluate different treatment outcomes for a patient before selecting an optimal outcome that will guide the delivery of radiation treatment to the patient . by providing real - time information as to potential toxicity and treatment efficacy during the contouring stage , the physician is empowered to make informed decisions at the preliminary contouring stage .