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| Tumor Markers, Biological Carcinogen Markers | Markers, Tumor | Metabolite Markers, Neoplasm | Tumor Markers, Biochemical | Biochemical Tumor Markers | Biological Tumor Marker | Biological Tumor Markers | Marker, Biochemical Tumor | Marker, Biologic Tumor | Tumor Markers Molecular products metabolized and secreted by neoplastic tissue and characterized biochemically in cells or body fluids. They are indicators of tumor stage and grade as well as useful for monitoring responses to treatment and predicting recurrence. Many chemical groups are represented including hormones, antigens, amino and nucleic acids, enzymes, polyamines, and specific cell membrane proteins and lipids. |