Radiation Therapy and Fluorouracil With or Without Combination Chemotherapy Followed by Surgery in Treating Patients With Stage II or Stage III Rectal Cancer
Memorial Sloan Kettering Cancer Center
Memorial Sloan Kettering Cancer Center
Fox Chase Cancer Center
Roswell Park Cancer Institute
Memorial Sloan Kettering Cancer Center
Indiana University
National Cancer Institute (NCI)
National Cancer Institute (NCI)
University of Michigan Rogel Cancer Center