Federated Learning for Organs-At-Risk Segmentation in Prostate Cancer: A Multi-Institutional CT Study. - Irina Rakotoarisedy; Umang Pandey; Lucía Cubero; Tiziana Rancati; Claudio Fiorino; Felipe A. Calvo; Renaud de Crevoisier; Oscar Acosta; Javier Pascau (SIPAIM, 2025)