Clinical features by disease duration in ulcerative colitis-associated cancers. - Miyakita H; Yamamoto S; Uchino M; Hiroki I; Okabayashi K; Shiro O; Futami K; Itabashi M; Watanabe K; Shibutani M; Okita Y; Wakai T; et al. (Colorectal disease : the official journal of the Association of Coloproctology of Great Britain and Ireland, 2025)