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. 2022 Nov 30;6:59. doi: 10.1186/s41747-022-00311-y

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© The Author(s) under exclusive licence to European Society of Radiology 2022

Open AccessThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — Examples of synthetic ground glass nodules (GGNs), the GGNs were categorised by physicians to four categories: confidently fake, leaning fake, leaning real, and confidently real. a Synthetic GGNs classified as “real” by clinicians. b Synthetic GGNs with less convincing generated lesions (classified as “leaning fake”). c A real GGNs in the original LIDC-IDRI dataset