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. Author manuscript; available in PMC: 2021 Apr 1.
Published in final edited form as: J Thorac Oncol. 2019 Dec 27;15(4):589–600. doi: 10.1016/j.jtho.2019.12.112

Figure 2.

Figure 2

STAS in this case formed solid nests. A) Solid predominant adenocarcinoma with solid nests of STAS extending beyond the edge of the tumor (marked in blue line) into surrounding air spaces (H&E). B) The STAS solid nests fill the alveolar space and are seen attached to the alveolar wall (black arrows), replacing the normal pneumocytes. C) The STAS solid nests are seen at one serial section attached to the alveolar wall (black arrow) (C) (H&E, original magnification x20)