Mesothelioma is a form of malignant tumor. It is frequently occurred in people whose work is connected with the contact with asbestos. The lungs and abdomen can be damaged by this disease. It is quite rarely when other inner organs suffer from mesothelioma. Even at present there were no treatment for mesothelioma surgery designed. Chemotherapeutics, radiation therapy and surgery are mesothelioma treatment options. Statistic shows that all the patients that got this illness have been in contact with asbestos for over 25 years. Taking it into account we can announce that the job connected to any processes with asbestos is quite hazardous. People suffering from spiteful mesothelioma cancer frequently suffer from cough as well as throe in the chest that is produced by fluids in the pleura. Such kind of mesothelioma as peritoneal one can cause the loss of weight, blood clotting and some difficulties with deglutition. That is very difficult to detect the not benign mesothelioma, because its symptoms are very similar to other diseases. If the medical history of the patient includes exposure to asbestos at any time in the past, the chances for supposing mesothelioma are higher. Almost all such patients further are being examined by an oncologist. The oncological examination can be performed by means of X-ray scrutiny, but finally the person can be diagnosed just after the biopsy. Currently, a modern method is gaining popularity. It comprises testing Mesomark assay that checks the degrees of proteins released by the cells damaged by malignant neoplasm. To reveal the disease on the initial phase it is very necessary for appropriate cure, that's why that new method is quite useful. The likelihood of appropriate treatment of malign mesothelioma is not very high. After the illness is fond out most of traditional systems make patient to survive up to one year. The mesothelioma surgery can't provide the adequate degree of success even if it is utilized in aggregate with other treatment systems. Mesothelioma cannot be completely cured using the surgery method. The malignant neoplasm cannot be removed completely because the person will die. Resorting to the radiation usage to treat the malign mesothelioma patient has more chances to recover from illness. All the methods mentioned before are frequently used in aggregate. Some patients who have utilized this complex of actions survived for more than 4 years. But using without other treatment options radiation method wouldn't bring the positive circumstances. Moreover it can be very harmful. To deal with the malignant neoplasm which hasn't been partially removed by surgeon it is necessary to apply the fatal dose of radiation. Chemotherapeutics stipulates giving the patient drugs that inhibit formation of malignant neoplasm cells. Those preparations affect on the healthy cells so they could be consumed just in complex with the special medicines that reduce their side effects. The pemetrex and cisplasin complex is considered to be very beneficial and is utilized in chemotherapeutics. Even today's technologies and great knowledge can't fully cure some pleural mesothelioma, unfortunately.