Advance in Early Detection of Lung Cancer
For some types of cancer, there are screening tests to detect small tumors while they're still potentially curable. Breast self-examination and yearly mammograms, for example, often help detect breast cancer before it has spread to other areas of the body. For many cancers, however, reliable and effective tests for early detection still don't exist. The lack of effective methods for early detection of lung cancer is one of the reasons that most people diagnosed with lung cancer have advanced disease, and fewer than 15 percent of these patients will survive more than five years.
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