Reduction of Tumor Length by >50%, Post Neoadjuvant Chemoradiation as a Predictor for Complete Response and Organ Preservation in Rectal Cancer. - Engineer, R.; Datta, D.; Saklani, A.; deSouza, A.; Baheti, A.; Ankathi, S.K.; Krishnatry, R.; Gudi, S.; Patil, P. (International Journal of Radiation Oncology, Biology, Physics, 2022)