CLINICAL EVALUATION-Initial multidisciplinary evaluation of patient, Decision for radiation therapy, Assessment of pathobiology of tumor, Staging THERAPEUTIC DECISION-MAKING-Selection of treatment goals-definitive/palliative, Choice of modalities of treatment, Involvement of patient/family in decisions regarding treatments TARGET VOLUME LOCALIZATION- Definition of tumor extent and potential routes of spread, Identification of sensitive organs and tissues TREATMENT PLANNING- Selection of treatment technique, Computation of dose distribution and verification of accuracy, Determination of dose/time/volume relationship SIMULATION OF TREATMENT-Selection of immobilization devices, Construction of patient contour TREATMENT- Signed consent form, Initial verification of treatment set-up, Verification of accuracy of repeated treatments, Continual assessment of equipment performance, Periodic checks of dosimetry, record keeping PATIENT EVALUATION DURING TREATMENT-Evaluation of tumor response, Assessment of tolerance to treatment FOLLOW-UP EVALUATION- Evaluation of tumor control, Assessment of complications of treatment
