Risk scoring system for evaluating pathological upstaging after radical nephroureterectomy for upper tract urothelial carcinoma: A multicenter study in Japan. - Yamane, Hiroshi; Morizane, Shuichi; Yamaguchi, Noriya; Toji, Sumiyo; Hikita, Katsuya; Honda, Masashi; Muraoka, Kuniyasu; Oono, Hirofumi; Isoyama, Tadahiro; Ono, Koji; Sejima, Takehiro; Takenaka, Atsushi (International Journal of Urology, 2025)