Feasibility and clinical potential of exercise interventions during neoadjuvant chemoradiotherapy in patients with esophageal and rectal cancer. - Mast IH; Gootjes EC; Rütten H; den Hartogh MD; Brouwer CG; Nagtegaal ID; van der Post RS; Hopman MTE; van den Heuvel B; Rosman C; de Wilt JHW; Klarenbeek BR; et al. (Journal of sport and health science, 2025)