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Copyright ©The Author(s) 2019.
World J Gastroenterol. Jan 7, 2019; 25(1): 59-68
Published online Jan 7, 2019. doi: 10.3748/wjg.v25.i1.59
Table 1 Summary of postoperative surveillance recommendations for colorectal cancer by different professional societies
OrganizationHistory/physicalCEACT scanEndoscopy
ASCO 2013[14] (stage II-III)Every 3-6 mo for 5 yrEvery 3-6 mo for 5 yrChest/abdomen +/-pelvis (if rectal) annually for 3-5 yrColonoscopy at 1 yr; if negative, every 5 yr. Rectal cancer: proctosigmoidoscopy every 6 mo for 2-5 yr if no pelvic RT
ESMO colon 2013[15] (Stage I, II, III)Every 3-6 mo for 3 yr, then every 6-12 mo for 2 yrEvery 3-6 mo for 3 yr, then every 6-12 mo for 2 yrChest and abdomen every 6-12 mo for 3 yr; transabdominal ultrasound can be used instead of CT abdomenColonoscopy at 1 yr; of negative, every 3-5 yr subsequently.
ESMO rectal 2013[16] (Stage II, III)Every 6 mo for 2 yrEvery 6 mo for 3 yrAt least 2 chest/abdomen/pelvis in the first 3 yrColonoscopy every 5 yr up to age 75
NCCN 2018[17] (Stage II, III, resected IV)Every 3-6 mo for 2 yr, then every 6 mo for 3 yrEvery 3 to 6 mo for 2 yr for ≥ T2 disease, then every 6 mo for 3 yr (up to 5 if resected metastatic)Colon: Chest/abdomen/ pelvis every 6-12 mo for up to 5 yr. For rectal cancer, CT chest/abdomen and pelvis every 3-6 mo for 2 yr, then every 6-12 mo for up to 5 yrColonoscopy at 1 yr; if negative, repeat at 3 yr, then every 5 yr subsequently. If adenoma found, repeat at 1 yr.
USMSTF 2016[7] (only for endoscopic surveillance)Colonoscopy at 1 yr; if negative, repeat at 3 yr, then every 5 yr. For rectal cancer, flexible sigmoidoscopy or EUS every 3-6 mo for the first 2 to 3 yr after surgery for patients at high risk for local recurrence