Awareness Monthly in association with Drugs.com Professional Edition

Intended for healthcare professionals

Clinical perspective

Biomarker testing in NSCLC: Turning tumor information into a clinical discussion

Awareness Monthly Editorial · September 30, 2026

How tumor testing can help connect a diagnosis with treatment options—and why every result needs clinical context.

Lungs and molecular biomarker testing

What testing looks for

Biomarker testing examines genes, proteins, or other features of a cancer that may provide information relevant to treatment. The NCI identifies non-small cell lung cancer as one of the cancers in which this testing is routinely used to help select therapy.

What a result can—and cannot—tell us

A finding may identify a change for which a targeted treatment is available or suggest a potential clinical trial. A test can also return findings without a clear treatment implication. Testing does not guarantee that a matched therapy will work, and the meaning of a result depends on the broader clinical picture.

Keeping the conversation connected

For clinicians and patients, a useful discussion links the test report to the diagnosis, treatment history, and available options. Clarifying which results are actionable and which remain uncertain helps make the report understandable. Treatment planning remains an individualized process, supported by current guidance and specialist interpretation.

Source: National Cancer Institute — Biomarker testing for cancer treatment.