Content Summary : 2. Mesothelioma diagnosis remains elusive The bill fails to require the use of sufficiently sophisticated technology to diagnose mesothelioma, cancer of the lining of the abdominal or chest cavity, which is so difficult to detect accurately that a large number of cases go undiagnosed until after death. Mesothelioma cases are the most expensive for industry to compensate. The only documented cause of mesothelioma is asbestos exposure; although it is often referred to as a rare disease, the 2,500-4000 cases of mesothelioma diagnosed annually kill more people in the U.S. than ovarian cancer. PET scans, which can be more sensitive than CT scans, should be incorporated into the diagnostic criteria of the bill. Flexibility to allow for serological diagnosis should also be included in the bill. A blood test field tested in the U.S. and already in use in Australia has