Mesothelioma is a type of cancer, which affects people, come with asbestos in contact. The time between asbestos exposure and the onset of mesothelioma is typically very long. Some people develop mesothelioma symptoms until 40 years or more after exposure to asbestos not. This makes it very difficult to diagnose Mesothelioma and asbestosis (another condition caused by asbestos exposure).Another factor that complicates the diagnosis of mesothelioma is the variety of types of mesothelioma. Mesothelioma develops in the lining of the internal organs. So, it can affect the lining of the lung, stomach, to spread the heart and testis, as well as the surrounding tissue. The symptoms vary depending on the exact mesothelioma can cancer. The following is a list of five common mesothelioma symptoms.1....