9
Table 9. Early-Stage Colon Cancer Post-Treatment
Surveillance
Population Intervention Setting
Treated patients with
Stage II CRC
Medical history, physical exam and CEA every 6
months for 3–5 years. Abdominal and chest CT
scan twice in the first 3 years. Colonoscopy once
in the first 1–2 years aer surgery (if colonoscopy
available in local or referral setting ). In cases
where a complete colonoscopy was not done at
the time of diagnostic workup, a colonoscopy
should be done as soon as reasonable aer
completion of adjuvant therapy and not
necessarily at the 1–2 year time point. (Moderate
Recommendation; I)
Limited
Treated patients with
Stage II CRC at
standard risk
Medical history, physical exam and CEA every
6 months for 3–5 years. Abdominal and chest
CT scan annually for 3 years. Colonoscopy 1
year aer surgery then every 5 years or earlier as
clinically indicated up to 75 years of age. In cases
where a complete colonoscopy was not done at
the time of diagnostic workup, a colonoscopy
should be done as soon as reasonable aer
completion of adjuvant therapy and not
necessarily at the 1-year time point. (Moderate
Recommendation; I)
Enhanced
Treated patients with
Stage II CRC at high
risk
Medical history, physical exam and CEA
every 3–6 months for 5 years. Abdominal
and chest CT scan every 6–12 months for 3
years. Colonoscopy 1 year aer surgery then
every 5 years or earlier as clinically indicated
up to 75 years of age. In cases where a complete
colonoscopy was not done at the time of
diagnostic workup, a colonoscopy should be
done as soon as reasonable aer completion of
adjuvant therapy and not necessarily at the 1-year
time point. (Moderate Recommendation; I)
Enhanced
Treated patients with
Stage II CRC at
standard and high risk
Medical history, physical exam and CEA
every 6 months for 3–5 years (high risk for 6
years). Abdominal and chest CT scan annually
(high risk every 6–12 months) for 3 years.
Colonoscopy 1 year aer surgery then every
5 years or earlier as clinically indicated up
to 75 years of age. In cases where a complete
colonoscopy was not done at the time of
diagnostic workup, a colonoscopy should be
done as soon as reasonable aer completion of
adjuvant therapy and not necessarily at the 1-year
time point. (Moderate Recommendation; I)
Maximal
(cont'd)
