Atypical Polypoid Bladder Lesion Mimicking Urothelial Carcinoma in a Young Male: A Case Report About a Possible Autoimmune-Triggered Granulomatous Inflammation With Secondary Colonization. - Hofmann SP; Bieri U; von Stauffenberg F; Schneider S; Singer G; Greiner M; Hefermehl LJ (Cureus, 2025)