div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Downstaging of rectal cancer by long term preoperative chemoradiotherapy src=https:reader034fdocumentsusreader034viewer202205080255bab7b1bb61ebe5718b461chtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divpESTRp pO3p p3p pPoster presentedat ESTRO 33 on:30--EPp pAndrea Masarykova DOI: 103252psoeuESTRO332014p pClinical track: Gastrointestinal tumours upper and lower GIpdiv