Around 2,000 new mesothelioma cases are diagnosed in the US on a yearly basis. Once the patient of mesothelioma is diagnosed, a health care provider will discuss prognosis and will give a result of the impact of cancer on your body. To get rid of poor prognosis, early detection is an absolute must. Recent study has come to the conclusion that mesothelioma symptoms may not make its presence felt until 15 to 30 years after asbestos exposure.