Definition
Biomarkers are measurable biological characteristics.
Prognostic and predictive
Prognostic markers are associated with disease course; predictive markers may be associated with response to a treatment.
Method dependence
Interpretation depends on specimen, assay method and tumour entity.
No automatic conclusion
A positive marker does not automatically mean that a treatment is appropriate or available.
Medical notice: This content is for information and evidence orientation only and does not replace medical diagnosis or treatment decisions.