Reactive mesothelial nodule of the pericardium.
D004848:Epithelium / Q000473:pathology; D005337:Fibrin / Q000378:metabolism; D006470:Hemorrhage / Q000473:pathology; D006801:Humans; D006984:Hypertrophy; D010496:Pericardium / Q000473:pathology*
D005337:Fibrin