1. Colorectal Service, Department of Surgery, Memorial Sloan Kettering Cancer Center, New York, New York
2. Department of Epidemiology and Biostatistics, Memorial Sloan Kettering Cancer Center, New York, New York
3. Department of Surgery, Washington University in St Louis, St Louis, Missouri
4. Department of Radiation Oncology, Washington University in St Louis, St Louis, Missouri
5. Department of Medicine, Memorial Sloan Kettering Cancer Center, New York, New York
6. Department of Radiology, Memorial Sloan Kettering Cancer Center, New York, New York
7. Department of Radiation Oncology, Memorial Sloan Kettering Cancer Center, New York, New York
8. Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York, New York
9. for the Colorectal Cancer Disease Management Team of Memorial Sloan Kettering Cancer Center