23
ASCO Resource Levels
Strength of
Recommendation Basic Limited
Enhanced/
Maximal
Clinical evaluation
(medical history and
physical exam), every
1–2 months
AND
blood work
(complete blood
count, metabolic
panel including liver
and renal tests), chest
X-ray, and abdominal
ultrasound every 3–6
months
Clinical evaluation
(medical history and
physical exam), every
1–2 months
AND
blood work
(complete blood
count, metabolic
panel including liver
and renal tests),
and CT scan chest/
abdomen/pelvis
every 3–6 months
Clinical evaluation
(medical history
and physical exam)
and blood work
(complete blood
count, metabolic
panel including
liver and renal tests,
CEA) every month
AND
CT scans chest/
abdomen/pelvis
every 2–3 months
Strong
(basic; limited)
Moderate
(enhanced; maximal)
Clinical evaluation
(medical history and
physical exam) AND
chest X-Ray
and abdominal
ultrasound every
6 months for a
minimum of 3 years
Clinical evaluation
(medical history
and physical exam),
CEA, every 6
months for 5 years
AND CT scan
chest/abdomen/
pelvis every 6
months for 2 years,
then yearly for 3
years
Clinical evaluation
(medical history and
physical exam), CEA
every 3–6 months
for 2 years, then
every 6 months for
5 years
AND CT scans
chest/abdomen/
pelvis every 3–6
months for 2 years,
then every 6 months
for a total of 5 years
Strong
(basic; limited)
Moderate
(enhanced; maximal)
