Mesothelioma is a rare form of cancer that can only be defined as a malignancy occurs in the mesothelial layer. The mesothelium is the protective tissue that contained as a coating on the outer surface of the body's vital organs including the lungs, heart and stomach. There are three major types of Mesothelioma in the human body that include epithelioid type, sarcomatoid type and mixed or biphasic type. Mesotheliomas also grouped according to the network or location. Mesothelioma is pleural mesothelioma occurs in the pleural tissue of the lungs, while occurring in the abdomen called the peritoneum mesothelioma peritoneum. Pericardial mesothelioma occurs in the cavity around the heart and testes peritoneal Mesothelioma occurs in the testes.
