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29

NCCN Guidelines for Patients

®

:

Lung Cancer Screening, Version 1.2017

4

What happens after the first test? Follow-up or yearly screening LDCT

Next steps if part-solid lung nodule on

follow-up

Guide 9

lists when you should get your follow-up

or yearly screening LDCT test for a part-solid lung

nodule. The doctor will decide when you get your

next follow-up test by comparing what was seen on

the LDCT test you had before.

If the part-solid lung nodule had no change on the

LDCT done last year and is smaller than 6 mm, your

next LDCT should be in 1 year. For those part-solid

nodules that are new, or growing and 6 mm or larger,

your next LDCT should be in 3 or 6 months.

The specific time point of your next screening test

depends on the size. It is based on the size of the

nodule and the size of the solid part seen on LDCT.

For those nodules with a larger solid part, chest CT

or PET/CT is recommended.

Guide 9. Part-solid lung nodule on follow-up or yearly LDCT

Results

Size of lung nodule

When should you get the next follow-

up test?

No change on follow-up LDCT

<6 mm

Get an LDCT in a year

≥6 mm with 6–<8 mm

solid part

Get an LDCT in a year

≥6 mm with ≥8 mm solid

part

Get an LDCT in 6 months or PET/CT

No change on yearly LDCT

No change on yearly

LDCT

Get an LDCT in a year

New nodule

<6 mm

Get an LDCT in 6 months

New or growing nodule

≥6 mm with growing

<4 mm solid part

Get an LDCT in 3 months

≥4 mm solid part

Chest CT with or without contrast

or PET/CT