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. 2015 Nov 18;10(11):e0143359. doi: 10.1371/journal.pone.0143359

Fig 3. Histologic examination of inflammation and fibrosis (H&E stain, X 200).

Fig 3

(Inf. 1) Inflammation grade 1: mild lymphocytic infiltration with several foreign body giant cells; (Inf. 2) Inflammation grade 2: moderate infiltration of neutrophils, eosinophils, and foreign body giant cells; (Inf. 3) Inflammation grade 3: marked neutrophil infiltration (abscess) along the pericardial surface. (Fib. 1) Fibrosis grade 1: loose fibrosis beneath the pericardial surface; (Fib. 2) Fibrosis grade 2: moderate fibrosis beneath the pericardial surface; (Fib. 3) Fibrosis grade 3: marked fibrosis beneath heavy leukocytic infiltration.