Nectin-4 expression in upper and lower tract urothelial carcinoma: correlation with early-stage disease and prognostic relevance. - Kobayashi G; Sekino Y; Hayashi T; Nakahara H; Yukihiro K; Kobatake K; Kitano H; Goto K; Niitsu H; Hinoi T; Sentani K; Hinata N (Virchows Archiv : an international journal of pathology, 2026)