Mesothelioma is a kind of malignant neoplasm. It is often occurred in people whose job is related to the contact with asbestos. It commonly attacks the lungs and abdomen. There may be also unusual cases affecting other vital organs. Today no obtainable treatment for mesothelioma designed. Chemotherapy, radiation therapy and surgery are mesothelioma treatment options. Statistic says that all the people that got such disease have been in contact with asbestos for over 25 years. Taking it into consideration we can announce that the work regarded to any processes with asbestos is quite dangerous. People suffering from spiteful asbestosis mesothelioma frequently suffer from cough as well as pang in the chest which is caused by fluids in the pleura. Such form of mesothelioma as peritoneal one can produce the loss of weight, blood clotting and some problems with deglutition. That is very difficult to reveal the not benign mesothelioma, because its symptoms are quite alike to other illnesses. The case report of examined person has to be thoroughly studied. In case it includes some data of exposure to asbestos physician has to suppose the presence of mesothelioma. Almost all such persons further are being checked by an oncologist. The examination may be supported by X-ray scans. To determine the final diagnosis, biopsy must be performed. But the new method of resolving this complexity was designed recently. It involves testing Mesomark assay which checks the degrees of proteins released by the cells contaminated by cancer. To reveal the disease on the primary phase it is so important for successful treatment, that's why that new method is very useful. Such type of malignant tumor as mesothelioma is quite difficult. Traditional methods permit the patient to live up to a year, on average after the treatment has been administered. For instance, mesothelioma surgery even when used together with other cures has been producing a lot of negative results. Mesothelioma cannot be completely cured using the surgery method. The malignant tumor cannot be exacted fully because the patient can die. Another system utilized to treat malign mesothelioma is radiation applying. All the methods mentioned above are commonly utilized in complex. Some patients who have experienced this combination of actions survived for more than 4 years. It is very necessary to perform all the procedures together. Any cure option used alone wouldn't give any positive results. If the surgery was not used that required dose of radiation would exceed all the limits and may kill the person. The formation of malignant tumor cells can be subdued or held up by utilizing chemotherapeutics. Such chemical preparations have lots of different harmful side effects which influence on the healthy cells. That's why together with them the using of drugs which can treat the healthy cells is necessary. To treat malign mesothelioma physicians use pemetrex in combination with cisplatin. Unfortunately, modern medicine is able to sustain just a limited span of life with some pericardial mesothelioma.