A better test for lung cancer?

From Washington, D.C., at a meeting of the American Association for Cancer Research

A new test might enable doctors to catch lung cancers that are missed by a commonly used diagnostic tool.

Each year in the United States, about 300,000 people get a chest X ray that shows a suspicious spot in a lung. That’s enough to warrant a bronchoscopy, in which a doctor inserts a lighted, flexible scope down a person’s windpipe to visually examine the cells.