Localized fibrous mesothelioma of the pleura.

A benign fibrous pleural mesothelioma was found in a dissecting room cadaver. The gross anatomical relationships to other thoracic structures are fully described. Vascular connections with the thoracic wall, azygos vein and lung were found. The tumor conformed to earlier histologic descriptions of this type of tumor. The potential for vascular shunts within this tumor and the diagnostic problems presented by a tumor of this type are discussed.