NEO: Neoadjuvant Chemotherapy, Excision and Observation for Early Rectal Cancer
Canadian Cancer Trials Group
Canadian Cancer Trials Group
Eastern Cooperative Oncology Group
SWOG Cancer Research Network
SWOG Cancer Research Network
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
Eastern Cooperative Oncology Group
SWOG Cancer Research Network
NSABP Foundation Inc
American College of Radiology Imaging Network
Radiation Therapy Oncology Group
SWOG Cancer Research Network
Radiation Therapy Oncology Group
SWOG Cancer Research Network
NSABP Foundation Inc
NSABP Foundation Inc