Mesothelioma is a very rare cancer that forms in a layer of tissue know as the mesothelium, hence the name mesothelioma. While most people associate mesothelioma with lung cancer, it is not technically lung cancer. It is an entirely different form of malignant cancer that often forms in the lungs, abdomen, or chest.
While it is medically possible to develop malignant pleural mesothelioma (lungs), malignant pericardial mesothelioma (chest), or malignant peritoneal (abdomen) mesothelioma without ever having been exposed to toxic asbestos fibers, the chance of that happening is extremely remote. In reality, almost all cases of malignant mesothelioma are caused by exposure to deadly asbestos. During the process of diagnosing a patient with malignant mesothelioma, the asbestos fibers will generally still be visible in the cancerous tissue, so the body has no ability to break them down, which is one of the major reasons they are so dangerous. Continue reading