Adjuvant chemotherapy in rectal cancer: Defining subgroups who may benefit after neoadjuvant chemoradiation and resection: A pooled analysis of 3,313 patients

Monique Maas, Patty J. Nelemans, Vincenzo Valentini, Christopher H. Crane, Carlo Capirci, Claus Rödel, Garrett M. Nash, Li-Jen Kuo, Rob Glynne-Jones, Julio García-Aguilar, Javier Suárez, Felipe A. Calvo, Salvatore Pucciarelli, Sebastiano Biondo, George Theodoropoulos, Doenja M J Lambregts, Regina G H Beets-Tan, Geerard L. Beets