Diagnostic-Therapeutical Workflow Consultation First visit Immobilization devices PET/CT Contouring Treatment planning Dosimetry Treatment Visits during treatment Follow-up	TREATMENT PLANNING A method called “Inverse Planning” is used, which defines doses that BTV and OAR should receive together with level of priority. System automatically calculates treatment parameters that may comply with these requirements in an optimum way, offering a calculation of the different dose distributions (Dose Volume Histograms: DVHs).