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Timeline showing the course of PSA values over time. The first MRI-guided focal salvage HDR-BT was performed at a PSA level of 6.7 ng/ml. The second MRI-guided focal salvage HDR-BT was performed at a PSA-level of 4.6 ng/ml.
HDR-BT: high-dose-rate brachytherapy; MRI: magnetic resonance imaging; PSA: protein-specific antigen
