Mesothelioma The Thin layer of tissues that cover most of your organs can develop mesothelioma that is malignant. Most cases of mesothelioma occur in the lung's lining (pleura). Other, less well-known forms can be found in the lining around the testicles or heart. Mesothelioma treatments can slow the spread of http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=1929071