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Radiation field and dose distribution of Patient #8. Initial PBT with 74.8 Gy (RBE)/34 fractions for presacral local recurrence after surgery (A and B). Proton beam reirradiation with 74.8 Gy (RBE)/34 fractions for right iliac lymph node metastasis at 13 months after initial PBT (C and D).
