133: Predictors of Nodal Response after Neoadjuvant Chemoradiotherapy for Rectal Adenocarcinoma; A Retrospective Study. (September 2016) - Nashed, Maged; Raizman, Zachary; Sivananthan, Gokulan; Kroeker, Daniel; Lambert, Pascal; Wirtzfeld, Debrah; Wightman, Robert