AFP and hepatocellular carcinoma: On the one hand, through the specific recognition of the glycosylated subtype AFP-L3 (AFP-L3%) of alpha-fetoprotein (AFP) by Lens culinaris lectin, it has been proven in practice that its sensitivity to early hepatocellular carcinoma (HCC) with a diameter of ≤2 cm is approximately 35–39%, and the specificity can reach over 90% [47].