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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 54-year-old female with an incidental GGN. (A) An axial CT image showed a 13.4-mm round and ill-defined pGGN with a mean density of −668 HU located in the right upper lobe. (B) A follow-up CT scan performed 6.7 months later showed an increase in density (−493 HU) (red arrows). The histopathologic analysis revealed fibrous tissue proliferation with less inflammatory cell infiltration. GGNs, ground-glass nodules; CT, computed tomography; pGGN, pure ground-glass nodule; HU, Hounsfield unit.