Skip to main content
. 2014 Oct;6(Suppl 5):S537–S546. doi: 10.3978/j.issn.2072-1439.2014.04.05

Figure 3.

Figure 3

(A) A persistent pure ground glass nodule (GGN) characteristic of adenocarcinoma in situ (AIS); (B) histologic specimen, H&E stain demonstrating lepidic growth pattern of atypical columnar cells with lack of invasion.