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. 2021 Oct 4;42(8):1321–1330. doi: 10.1007/s00296-021-05002-2

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© The Author(s) 2021

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Fig. 3 — Rheumatoid arthritis with lung involvement, one case is illustrated; In A, a dense lymphoid infiltration is seen, myofibroblastic foci (arrows) are in (A) and (B) a loose granuloma (arrow) is shown in (C), and amyloid in (D).H&E, bars 100, 50 µm