Of the three types of mesothelioma, a cancer affecting the mesothelium, malignant pleural mesothelioma is the most widespread. The cancer is rare and only fewer than 3000 mesothelioma cases are reported yearly in the United States. The pleural type, which we are discussing here, accounts for three-fourths of it. The cancer affects the pleura, a protective sac that guards the lungs. This sac, which shores up the lungs and shields the lung cavity, is built of two layers. The inner lining or the visceral lining sheaths the lungs while the outer one guards the chest cavity and diaphragm. Pleural mesothelioma occurs initially in any one of these layers and may spread into the other one after a period of time. This cancerous growth is caused by asbestos fibers ensnared in the open spaces between mesothelium cells.

The trapped asbestos particles trigger some chemical reactions resulting in the mesothelium cells to divide in an abnormal manner. This results in the pleural layers thickening and cause a certain fluid build up, called the pleural effusion. The excess fluid compresses the lungs and hinders easy breathing. Persistent dry cough, blood emission while coughing, difficulties with swallowing, breath shortness, unnatural weight loss, fatigue, lump formation around the chest etc are the most visible symptoms of mesothelioma attack.

Diagnosing pleural mesothelioma is fraught with dangers because these symptoms can be the result of other diseases like pneumonia and influenza too. It requires proper examination of the medical history of the patient, imaging tests like CT scan, MRI, X-ray and biopsy to establish the type and class of the cancer.

Conventional treatments for malignant pleural mesothelioma are surgery, chemotherapy and radiotherapy. If the problem is so acute, doctors may combine two or all of these for pull off better effects. But mesothelioma prognosis is not always desirably bright because most cases are detected only at highly progressed stages. If diagnosed at the initial stage itself, the patient has more chances of survival.

The disease is caused by asbestos exposure at mostly workplaces and as such, the malignant pleural mesothelioma patient has the lawful rights to claim for damages from the company or individual who are responsible directly. The compensation amount awarded in such cases can sometimes be as big as several million dollars.