Blood Test Holds Hope for Spotting Lung Cancer in Nonsmokers

Preliminary research suggests that a blood test could offer evidence that a nonsmoker has lung cancer, potentially giving doctors a new diagnostic tool.The test would allow these imaging tests to be further evaluated and provide a degree of certainty in diagnosis.

The researchers came to their conclusions after testing more than 600 samples in search of “biomarkers” that would indicate the presence of cancer. Once they found biomarkers that seemed promising, they ran the tests on samples of 80 people who had never smoked, including 40 with lung cancer and 40 who did not have the disease. The people in both groups were matched for age and gender. Read more…

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