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(7)A new blood test for lung cancer which the makers hope for vast improved diagnoses of the disease has become commercially available across the United States for the first time this week. The test identifies defenses released by the human body in response to the earlier stages of the cancer. As Professor John Robertson who led the research explains.
     (8)"When the body is making a cancer with cancer cells having destroyed different proteins, people are exquisite or sensitive to what are not themselves and they make immune responses to those cancer antigens and then the antibody response will be able to be detected. " Scientists hope that in the future the tests can be adapted to diagnose other types of cancer.