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. 2020 Aug 26;74(8):522–527. doi: 10.1136/jclinpath-2020-206623

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© Author(s) (or their employer(s)) 2021. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.

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Histological changes of intrathoracic lymph node. (A) Primary lymphoid follicles with slightly widened interfollicular zone (H&E 10×). (B) CD3-positive lymphocytes (immunohistochemical (IHC) stain 10×). (C) CD4-positive stain lymphocytes (IHC stain, 10×). (D) CD8-positive stain lymphocytes (IHC stain, 10×). (E) Lymphatic sinus dilation and vascular endothelial hyperplasia (H&E 20×). (F) Focal necrosis (H&E 20×).