Evaluation of the Proliferation Marker Ki-67 for Improved Risk Stratification of Prostate Cancer Patients Under Active Surveillance. - Schütz, Viktoria; Rothermel, Maresa; Kaczorowski, Adam; Dieffenbacher, Svenja; Böning, Sarah Heike; Schwab, Constantin; Stenzinger, Albrecht; Huber, Johannes; Duensing, Anette; Hohenfellner, Markus; Duensing, Stefan (Diagnostics (2075-4418), 2026)