AUTHOR=Söderkvist Karin , Häggström Christel , Hagberg Oskar , Aljabery Firas , Gårdmark Truls , Holmberg Lars , Hosseini Abolfazl , Jerlström Tomas , Kjölhede Henrik , Malmström Per-Uno , Sherif Amir , Liedberg Fredrik , Ullén Anders TITLE=Calendar time trends in synchronous metastatic urinary bladder cancer before and after the introduction of immune checkpoint inhibitors: a nation-wide population-based cohort study JOURNAL=Frontiers in Oncology VOLUME=Volume 15 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/oncology/articles/10.3389/fonc.2025.1680916 DOI=10.3389/fonc.2025.1680916 ISSN=2234-943X