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. 2022 Jan 26;101(4):101747. doi: 10.1016/j.psj.2022.101747

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© 2022 The Authors

This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).

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Pectoralis major tissue: (A) polygonal shape (black arrow) of myofibers from non-affected area, score SM0WB0; (B) scattered inflammatory cells (white arrow) and accumulation of fibro-fatty tissue in non-affected area (black arrow), score SM0WB0; (C) degenerating and necrotic myofiber (white arrow) and fragmentation of myofiber (black arrow), score SM1WB1; (D) changes in interstitium with inflammatory cells (white arrow), lipid infiltration (black arrow), and fibrosis (black arrowhead), score SM1WB2; (E) interstitial fibrosis (white arrow), score SM1WB2; (A–D) H&E stain, (E) Masson's trichrome stain. Abbreviations: SM, spaghetti meat; SM0, SM absent; SM1, SM present; WB, woody breast; WB0, WB absent; WB1, WB moderate; WB2, WB severe.