Fibrotic pleura with extensively ulcerated mesothelium and replacement by fibrinous deposits, capillary proliferation, interstitial hemorrhage and marked infiltration by lymphocytes, plasma cells and many neutrophils, cell debris with and related dense fibrosis. No evidence of granulomatous inflammation. No evidence of malignancy.
Complicated empyema who underwent a decortication.
Two soft tissue fragments collectively measured 2.8x2.5x0.8 cm, totally embedded.
Pleural decortication: