Experts say a urine test that may detect lung cancer years before symptoms begin could be available through the NHS in as little as five years. The test is being described as a potential early-detection method, aiming to identify lung cancer at a stage when it may be easier to treat. One report notes that lung cancer is the leading cause of cancer deaths in Scotland, highlighting the scale of the problem that early detection could help address. While the articles indicate optimism about a possible timeline, they do not provide specific details on test accuracy, required validation, or current stage of clinical trials. The reports broadly agree that the technology’s potential impact is tied to catching disease early rather than waiting for symptoms to appear. Both sources frame the five-year estimate as an expert projection rather than a confirmed government or NHS commitment, and they present the prospect of future rollout as contingent on further development and implementation steps.