Validation of usual walking speed as an indicator of postoperative recovery and estimation of its minimal clinically important difference in patients with colorectal cancer undergoing radical surgery. - Yanagisawa, Takuya; Tatematsu, Noriatsu; Horiuchi, Mioko; Migitaka, Saki; Yasuda, Shotaro; Itatsu, Keita; Kubota, Tomoyuki; Sugiura, Hideshi (Physiotherapy Theory & Practice, 2026)