obsolete benign fibrous mesothelioma https://github.com/monarch-initiative/mondo/issues/3701 https://www.malacards.org/card/benign_fibrous_mesothelioma true From NCIT: Fibrous mesothelioma (benign) is a terribly antiquated term. Even decades ago when it was reported, it was not described as being associated with neoplastic mesothelial cell proliferation. localized benign fibrous mesothelioma MONDO:0006674 MESH:D054363 solitary fibrous tumor, pleural fibrous mesothelioma, benign (morphologic abnormality) fibrous mesothelioma, benign OBSOLETE. A rare neoplasm, usually benign, derived from mesenchymal fibroblasts located in the submesothelial lining of the PLEURA. It spite of its various synonyms, it has no features of mesothelial cells and is not related to malignant MESOTHELIOMA or asbestos exposure. DOID:2653 pleural solitary fibrous tumor