Table 1.

Summary of guidelines for first routine surveillance colonoscopy among colorectal cancer survivors, 1999-2006.

Year	Recommending agency	Timing of first colon exam
1999	American Society of Colon and Rectal Surgeons [3]	Colonoscopy or barium enema 1-3 years post-surgery
2000	American Society of Clinical Oncology [2]	Colonoscopy in 3-5 years
2003	American Cancer Society [4]	Colonoscopy within 1 year post-surgery
2003	U.S. Multisociety Task Force on Colorectal Cancer Screening and Surveillance [5]	Colonoscopy at 3 years post-surgery
2003	National Comprehensive Cancer Network [6]	Colonoscopy within 3 years
2004	American Society of Colon and Rectal Surgeons [7]	Colonoscopy in 1-3 years
2004	National Comprehensive Cancer Network [25]	Colonoscopy within 3 years
2006	National Comprehensive Cancer Network [10]	Colonoscopy in 1 year
2006	American Society for Gastrointestinal Endoscopy [32]	Colonoscopy at 1 year post-surgery
2006	U.S. Multisociety Task Force on Colorectal Cancer Screening and Surveillance [11]	Colonoscopy at 1 year post-surgery

Note: Table does not include recommendations for preoperative colonoscopies or those occurring postoperatively if preoperative colonoscopies are not possible.