fig2
Figure 2. Tumor protein biomarkers of various cancer types. AFP: Alpha-fetoprotein; B2M: beta 2-microglobulin; β-hCG: beta-human chorionic gonadotropin; CA: cancer antigen; CA 19-9: carbohydrate antigen 19-9; CEA: carcinoembryonic antigen; Cyfra 21-1: cytokeratin 19 fragments; HE4: human epididymis secretory protein 4; Ig: immunoglobulin; LG2m: laminin γ2 monomer; NMP22: nuclear matrix protein-22; NSE: neuron-specific enolase; PIVKA-II: protein induced by vitamin K absence-II; ProGRP: pro-gastrin-releasing peptide; PSA: prostate-specific antigen; SCCA: squamous cell carcinoma antigen; Tg: thyroglobulin.