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Surveillance for patients without adjuvant treatment (T1/2/3 N0 M0, well/moderately differentiated and no vascular invasion)

Date after treatmentCEA blood testCT scanSigmoid-oscopyMRI pelvis rectumColonoscopy
3 months √ √ (TAMIS)
6 months √ √ (TAMIS) √ (if polyps remaining after initial colonoscopy or not performed pre-op)
9 months √
12 months √ √ √ (TAMIS or rectal) √ (then 2-yearly if Lynch syndrome/BSG guidelines if further polyps)
18 months √ √ (TAMIS)
24 months √ √ √ (TAMIS or rectal)
30 months √
36 months √ √
42 months √
48 months √ √ √
54 months √
60 months √ √
Contributors
Liz Alden Matt Robinson George Vasilopoulos