MesotheliomaWeb.org Reports Mesothelioma Symptoms

Mesothelioma, more properly known as malignant mesothelioma, is a type of cancer occurring in the mesothelial tissues. These are epithelial tissues that line the body’s thoracic and abdominal cavities – also known as primordial cavities – and surround and protect the lungs, heart and abdominal organs.   Mesothelioma’s only known cause is asbestos, and 75 percent of cases occur in the mesothelial lining around the lungs. Only about five percent of cases occur as pericardial mesothelioma, in the lining around the heart. Peritoneal mesothelioma, in the abdomen, accounts for about 20