Health Topics – Johns Hopkins Medicine Podcasts
Jul 10, 2026 · 1 min · 3 segments
When someone has a years-long, multiple pack history of smoking, they are recommended to undergo screening for lung cancer utilizing a technology known as low dose computed tomography or low dose CT…
Elizabeth Tracy
William Nelson, director of the Kimbell Cancer Center at Johns Hopkins, explains.
This protein assay in the bloodstream captured 85% of lung cancer
Now, remember, what this test would do is say, you are the person who should go get low-dose CT scan imaging, which was already underutilized, even for the people who should use it.
Maybe it's a better criterion to motivate people to go get lower-dose CT.

Nelson says if it becomes part of routine care, perhaps more people will get diagnosed with early-stage lung cancer when chances are best for successful treatment.

William Nelson, director of the Kimbell Cancer Center at Johns Hopkins, explains.
This protein assay in the bloodstream captured 85% of lung cancer
Now, remember, what this test would do is say, you are the person who should go get low-dose CT scan imaging, which was already underutilized, even for the people who should use it.
Maybe it's a better criterion to motivate people to go get lower-dose CT.

Nelson says if it becomes part of routine care, perhaps more people will get diagnosed with early-stage lung cancer when chances are best for successful treatment.
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