Fig. 2

L-PLADC in a 65-year-old man without symptoms. a, b Axial CT images of the lung window indicate a localized consolidation with irregular air bronchogram, GGO component, and pleural retraction (red arrow) in the right upper lobe. c Photomicrograph (hematoxylin and eosin staining, ×200) of surgical specimens confirmed LADC with an acinar-predominant pattern