Fig. 2From: Adenocarcinoma in situ detected on a thin-walled lung cavity: a case reportPathological findings. a Tumor cells proliferated with solid, papillary, and lepidic growth patterns in the right-upper lung adenocarcinoma (hematoxylin and eosin method, ×100). b Adenocarcinoma in situ detected in the right-upper lung cavitary lesion (hematoxylin and eosin method, ×100)Back to article page