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27

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 solid lung nodule on follow-up

Guide 7

lists when you should get your follow-up or

yearly screening LDCT test for a solid lung nodule.

The doctor will decide when you get your next

screening test by comparing what was seen on the

LDCT test you had before. If the solid lung nodule

had no change from the LDCT done last year, is 8

mm or smaller, or is new but very small, your next

LDCT should be in 1 year.

The timing of the LDCT test is based on the size of

the nodule and whether is it new or growing.

Guide

7

shares the specific size in mm for a nodule seen

on LDCT. For those nodules that are a larger size,

additional tests are usually recommended such as a

chest CT or PET/CT scan.

Guide 7. 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

<8 mm

Get an LDCT in a year

8–<15 mm

Get an LDCT in 6 months

≥15 mm

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

<4 mm

Get an LDCT in a year

4–<6 mm

Get an LDCT in 6 months

6–<8 mm

Get an LDCT in 3 months

≥8 mm

Chest CT with or without contrast

or PET/CT

Growing nodule

<8 mm

Get an LDCT in 3 months

≥8 mm

Chest CT with or without contrast

or PET/CT