OC-0267 Comprising a consensus-based delineation guideline for locally recurrent rectal cancer. (May 2022) - Piqeur, F.; Hupkens, B.; Meijnen, P.; Ceha, H.; Berbee, M.; Dieters, M.; Burger, J.; Rutten, H.; Nederend, J.; Marijnen, C.; Peulen, H.; Witte, M.