Non-operative Management of Rectal Cancer with Adjuvant Chemotherapy after Chemoradiotherapy (NORMANDY): Prospective Study. - Lee, Hyebin; Kim, Hyung Ook; Lee, Jason Joon Bock; Do, In-Gu; Kwon, Heon-Ju; Kim, Mi Sung; Park, Soo-Kyung; Yang, Hyo-Joon; Jung, Yoon Suk; Park, Jung Ho; Park, Dong-Il; Jung, Kyung Uk; et al. (Cancer Research & Treatment, 2026)