Mesothelioma Malignant Mesothelioma is a form of cancer that develops in thin layer of tissue that covers most of your internal organs. The majority of cases of mesothelioma are in the lining of the lungs (pleura). Other, rarer forms form in the lining around the testicles or heart. Mesothelioma treatments https://pineedge55.bravejournal.net/10-factors-to-know-regarding-mesothelioma-firm-you-didnt-learn-in-the-classroom