Impact of number of bone metastases on cancer control outcomes in mHSPC, independent of the axial-skeleton CHAARTED definition. - Wenzel M; Theissen L; Siech C; Lauer B; Winkler S; Filzmayer M; Le C; Humke C; Kriegmair M; Steuber T; Chun FKH; Mandel P (Urologic oncology, 2026)