Table 1.
Commonly used serum tumor markers in clinical practice
| Biomarker | Tumor class | Glycosylated protein |
| Alpha-feto protein (AFP) | Testicular, hepatocellular | Yes |
| Human chorionic gonadotropin | Testicular | Yes |
| CA 15-3 | Breast | Yes |
| CA 19-9 | Pancreatic | Yes |
| CA 27-29 | Breast | Yes |
| CA 125 | Ovarian | Yes |
| Carcinoembryonic antigen | Colon | Yes |
| Human epidermal growth factor receptor 2 (HER-2) | Breast | Yes |
| Prostate specific antigen (PSA) | Prostate | Yes |
| Thyroglobulin | Thyroid | Yes |
Extracted from references 13, 14, 16, 17, 18, 20.