malignant pericardial mesothelioma (MONDO_0003805, a Monarch Disease Ontology id) is a rare neoplasm of mesothelial origin that arises from the pericardium. Also known as: malignant mesothelioma (disease) of pericardium, malignant mesothelioma of pericardium, malignant mesothelioma of the pericardium, pericardial malignant mesothelioma, pericardium malignant mesothelioma (disease), pericardium mesothelioma.