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PSA before and after TPLA for all the cohort. The graph shows the trend in PSA over time (0–18 months). Time 0 stands for the pre-treatment value. A decrease over time is observed in all patients except at the first month, in which there is a slight increase. A reduction of more than 70% is observed at 18 months for all five patients. PSA, prostate-specific antigen; TPLA, transperineal laser ablation.
