Peritoneal mesothelioma is the most common form of the three types of mesothelioma although every type of cancer has its own downsides. Irrespective of the form of mesothelioma one has been diagnosed with, having in mind that there is no cure for cancer always leads to some psychological trauma. Oftentimes, the patient will have more trouble to battle with besides accepting the diagnosis. A few other downsides of mesothelioma the patient has to cope with are as follows: