(UroToday.com) At the European Association of Urology (EAU) Section of Oncological Urology (ESOU) 2021 Virtual Meeting, Dr. Vijay Sangar provided the eUROGEN lecture discussing reducing morbidity and complications by knowledge sharing in rare tumors. The eUROGEN group is the European Reference Network for Rare and Complex Urogenital Diseases and Conditions with members across several European Union countries.