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. 2022 Jul 2;481(6):963–965. doi: 10.1007/s00428-022-03374-9

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© The Author(s) 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. 2 — A Overview (1.4 × ; scale bar: 500 µm) of the resection specimen, showing a largely well-circumscribed, focally infiltrative, and variably cellular, submucosal tumor (arrows: mucosa). B High-power magnification (40 ×) from cell-rich area with monomorphic, unilayered tubules and microcysts with bland cytological features. C Cell-poor area with monomorphic spindle cells, representing fibroblastic cells or modified myoepithelial cells (40 × ; scale bar: 40 µm). D Metastatic nodule in the lung with cell-rich tumor component (10 × ; scale bar: 100 µm)