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.
(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.