%0 Journal Article %T A Case of Rectal Ulcer during Intensity Modulated Radiotherapy for Prostate Cancer Using Hydrogel Spacer. %A Dinh TT %A Schade GR %A Liao JJ %J Urol Pract %V 7 %N 2 %D 2020 Mar %M 37317399 暂无%R 10.1097/UPJ.0000000000000071 %X We report a case of a severely symptomatic rectal ulcer, a CTCAE (Common Terminology Criteria for Adverse Events) grade 3 complication, after intensity modulated radiotherapy for prostate cancer using the SpaceOAR® hydrogel spacer.