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. 2024 Nov 6;14(12):8467–8478. doi: 10.21037/qims-24-389

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Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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A 52-year-old female with an incidental GGN. (A) An axial CT image showed a 14-mm round and ill-defined pGGN with a mean density of −609 HU located in the right lower lobe. (B) A follow-up CT scan performed 27 days later showed an increase in density (−324 HU) and the development of new solid components (red arrow). The histopathologic analysis revealed fibrous tissue proliferation with less inflammatory cell infiltration. GGN, ground-glass nodule; CT, computed tomography; pGGN, pure ground-glass nodule; HU, Hounsfield unit.