TRANSCRIPT: John K. Gohagan, Ph.D., NCI's Division of Cancer Prevention, discusses whether or not spiral CT could reduce the number of deaths from lung cancer.
Dr. Gohagan: Spiral CT is a new technology which has been shown to detect small lesions in the lungs, smaller than you can find with an X-ray, but we don't know whether finding these lesions and treating them will actually lead to benefit for people. We don't know if a spiral CT is better than an X-ray.
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