What is the size of the nodule?

<30 mm new, at baseline or growing.    

>=30 mm stable or slowly growing.

>=30 mm new or at baseline.

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Note:

Slowly growing GGN: A ground glass nodule (GGN) that demonstrates growth over multiple screening exams but does not meet the > 1.5 mm threshold increase in size for any 12-month interval may be classified as a Lung-RADS 2 until the nodule meets findings criteria of another category, such as developing a solid component (then manage per part solid nodule criteria).