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Researchers are testing a new way to diagnose lung cancer using a liquid biopsy—a blood or fluid-based test that looks for cancer markers. Currently, doctors use a procedure called EBUS-TBNA to collect tissue samples from lymph nodes in the chest, but sometimes this procedure doesn't collect enough material for a clear diagnosis. This study is exploring whether analyzing fluid left over from that tissue sampling procedure can help identify lung cancer when the tissue sample alone isn't enough.
About 10-15% of the standard tissue sampling procedures don't provide adequate material for diagnosis, which may force patients to undergo additional invasive surgical procedures. The new method could provide a more reliable diagnosis from the same procedure, potentially avoiding the need for extra surgery and helping doctors identify the right targeted treatments faster.
You likely qualify if…
You likely don't qualify if…
If you qualify, you will have already undergone the standard EBUS-TBNA procedure. The researchers will collect the leftover fluid from that procedure and use it to perform the new liquid biopsy blood test. You will then proceed with your scheduled chest lymph node surgery as planned. The study involves no additional procedures beyond what you would normally receive; the researchers are simply analyzing fluid that would otherwise be discarded.
AI-generated summary from trial data · Jun 12, 2026 · Not medical advice
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