Detecting cancer may be getting easier.
New kinds of tests that promise to be less invasive are beginning to exit the lab and enter the market — with more under development.
By using blood, urine, and saliva, researchers hope these new tests may reduce the need for often painful, risky biopsies, a type of surgery to remove suspicious tissue for study.
The hunt for new ways to detect cancer has heated up in the past few years, as has investment in new tools and tests. In January, a San Francisco-based startup called Grail pledged to raise $1 billion to develop a blood test for early detection.
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